Wholesale Filter Housings for Water Systems | All For Water

PENTAIR HOUSINGS

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Source filter housings at wholesale pricing for your water treatment business. We supply single, dual, and triple housing configurations in standard sizes such as 10" and 20", compatible with sediment, carbon, and specialty filter cartridges — ideal for dealers, installers, and distributors stocking up for residential, commercial, and industrial jobs. Built from high-grade materials for reliable performance under pressure, these housings support easy cartridge changes and long-term durability across whole-house filtration, point-of-use, and commercial installations. Available in clear and opaque options with connection sizes from 3/4" to 1" NPT, backed by bulk quantities and trade pricing to keep your projects moving.

PENTAIR

PENTAIR

<p>Stock the Pentek Big White with Bypass for customers who want to change cartridges without shutting off the water supply. The cap includes a built-in bypass valve that switches from filtered to non-filtered water with a half turn of the large control knob, keeping water flowing to the household during service. Like the standard Big Blue Heavy Duty line, this housing offers large-capacity filtration for high-flow and heavy-sediment applications, with the extra-large sump reducing the number of vessels needed for demanding flow rates. Available in 10" and 20" lengths with a 1" NPT High-Flow Polypropylene (HFPP) cap and pressure relief button. Accepts standard double open end (DOE) cartridges up to 4-1/2" diameter. Rated up to 100 psi (10") / 90 psi (20") and 40-100F, and NSF approved for material and structural integrity. A convenience-focused option for dealers whose customers want minimal downtime during filter changes. Key specs: Housing - Polypropylene | Cap - Polypropylene (HFPP) with bypass valve | O-Ring - FDA-grade Buna-N (Viton or Silicone available on request) | Port size - 1" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 4-1/2" diameter (DOE) | Max pressure - 100 psi (10") / 90 psi (20") | Temperature rating - 40-100F | Half-turn bypass valve, pressure relief button | NSF approved for material and structural integrity</p>

Pentek Big White Filter Housing with Bypass

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<p>Stock the OMNIFilter BF56 for customers with high-flow, large-capacity filtration needs, such as ranches, businesses, industrial sites, or larger homes with 1" incoming water lines. This premium heavy-duty 20" whole-house housing works with both well water and city water applications, and features a unique quarter-turn bypass cap that switches between filtered and non-filtered water without shutting off water to the entire house. This bypass feature speeds up cartridge changes and reduces mess compared to typical housings. The BF56 has a 1" NPT inlet/outlet connection and is compatible with OMNIFilter 20" Heavy Duty cartridges for sediment (RS6-20) or taste and odor reduction (TO8-20), sold separately. Backed by a 5-year limited warranty. A premium, higher-flow OMNIFilter option for dealers serving larger residential and light commercial customers who want built-in bypass convenience. Key specs: Length - 20" | Port size - 1" NPT | Feature - Quarter-turn bypass cap | Cartridge compatibility - OMNIFilter 20" Heavy Duty cartridges | Best for - Large homes, ranches, businesses, industrial use | Warranty - 5-year limited | Cartridge sold separately</p>

Omnifilter Bf56 Premium Heavy Duty Filter Housing

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<p>Move up to the Pentek E Series when a customer's flow rate or process demands outgrow polypropylene bag vessels. Constructed from 304 stainless steel with a polished external finish, this heavy-duty bag housing delivers outstanding durability and corrosion resistance for industrial and commercial liquid filtration, handling flow rates up to 135 GPM and pressure up to 125 psi (rated to 300F in some configurations). It accepts #1, #2, #3, or #4 size bag filters depending on model, with a band clamp closure for fast bag access and adjustable support legs included for freestanding installation. Each housing is factory hydro-tested before shipping, and EPDM seals ensure a reliable seal at the lid and basket. A premium, high-throughput bag filtration option for dealers serving industrial and commercial customers processing larger liquid volumes than standard PBH vessels can handle. Key specs: Housing - 304 stainless steel, polished finish | Basket - 304 stainless steel with perforations | Lid seal/basket seal - EPDM | Closure - Band clamp | Connections - FNPT (size varies by model) | Vent - 1/4" NPT | Bag sizes - #1, #2, #3, #4 (model dependent) | Max flow rate - up to 135 GPM | Max pressure - 125 psi | Base - Adjustable support/tripod legs | Factory hydro-tested</p>

Pentek E Series Stainless Steel Bag Housing

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<p>Stock the Pentek Valve-in-Head (VIH) Series for customers who want cartridge changes without installing separate shut-off valves. This design builds an integral isolation valve directly into the head of a standard housing, so a half turn of the handle simultaneously shuts off both inlet and outlet ports. Radial sealing O-rings and sealing surfaces self-clean each time the valve is used, keeping the seal leak-proof over time. Available in 10" and 20" lengths with either opaque reinforced polypropylene or clear Styrene-Acrylonitrile (SAN) sumps, and a reinforced polypropylene cap with 3/4" NPT ports and a pressure relief/bleed button. Delrin valve parts and Buna-N O-rings round out the construction. Accepts standard double open end (DOE) cartridges in 2-3/8" to 2-7/8" diameter. Rated up to 125 psi and 40-125F, with select part numbers NSF/ANSI Standard 42 certified. A convenience upgrade for dealers whose customers want simpler, tool-free filter maintenance. Key specs: Housing - Polypropylene (opaque) or SAN (clear) | Cap - Reinforced polypropylene | Valve parts - Delrin | O-Ring - Buna-N | Port size - 3/4" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 2-3/8" to 2-7/8" diameter (DOE) | Max pressure - 125 psi (8.6 bar) | Temperature rating - 40-125F | Integral isolation valve, pressure relief/bleed button | NSF/ANSI 42 certified (select part numbers)</p>

Pentek Valve-in-Head (vih) Series Filter Housing

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<p>Stock the OMNIFilter OB6, a compact 10" whole-house filter housing built for smaller households with 3/4" water lines. Best suited to 1-2 occupant homes, it delivers up to 10 GPM flow and works with both well water and city water applications. The compact design fits into most installation spaces, and each unit ships complete with mounting bracket, hardware, and wrench, so no separate bracket purchase is needed. A red pressure-relief button makes cartridge changes fast and clean, and the housing accepts standard OMNIFilter replacement cartridges so customers can customize filtration for sediment, chlorine, taste, or odor reduction (cartridge sold separately). For cold water use only. A straightforward, budget-friendly entry point for dealers serving smaller residential accounts. Key specs: Length - 10" | Port size - 3/4" NPT | Max flow rate - 10 GPM | Best for - 1-2 occupant households | Includes - Mounting bracket, hardware, and wrench | Pressure-relief button included | Cartridge sold separately | For cold water use only</p>

Omnifilter Ob6 Standard Filter Housing

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<p>Upgrade your standard housing stock with the Pentek Dura-Series, the next-generation replacement for the Traditional Standard line. Built from tough polycarbonate rather than SAN or opaque polypropylene, the sump is significantly more resistant to cracking and breakage during shipping and installation, while an improved radial O-ring design delivers a more robust, leak-resistant seal. The cap retrofits seamlessly into existing Pentek brackets and works with standard Pentek cartridges, so dealers can transition customers to Dura-Series without requiring new hardware. Available in 10" and 20" lengths with clear or slate (opaque) sumps and 3/4" NPT inlet/outlet ports, plus an optional pressure-relief button for easy cartridge changes. Rated to 125 psi and 40-125F, and NSF/ANSI Standard 42 and CSA certified. A simplified, fewer-SKU portfolio makes stocking easier while delivering stronger, more dependable performance for residential, commercial, and light industrial customers. Key specs: Housing - Polycarbonate (clear or slate/opaque) | Cap - Reinforced polypropylene | O-Ring - Radial design for leak resistance | Port size - 3/4" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 2-1/2" to 2-7/8" diameter, standard 10"/20" cartridges | Max pressure - 125 psi (8.6 bar) | Temperature rating - 40-125F | Optional pressure-relief button | NSF/ANSI 42 and CSA certified | Fits existing Pentek brackets and cartridges</p>

Pentek Dura-Series Standard Filter Housing

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<p>Offer the Pentek PBH Series bag filter vessel to customers who need faster bag changes and lower-cost filtration for residential prefiltration, food service, and commercial or industrial water and chemical filtration. Molded from lightweight, corrosion-resistant reinforced polypropylene, the vessel delivers strength without added weight and excellent chemical compatibility. Available in 10" and 20" housing sizes with 1" or 1-1/2" NPT connections, each unit ships complete with a pressure gauge, spanner wrench, bag support basket, and a 3/8" drain valve. The single large ACME thread closure allows quick opening and a positive seal, and units can be installed as a duplex system for uninterrupted flow during bag changes. The 10" vessel accepts standard 4" x 8.25" bags, while the 20" vessel accepts standard 4" x 18.25" bags. A cost-effective, full-kit option for dealers whose customers run bag filtration instead of cartridges. Key specs: Housing/Cap - Reinforced polypropylene | Gauge - Brass (lead-free) | Ball valve - PVC | Drain and vent plug - Polypropylene | Basket - Polypropylene | O-rings and gaskets - Buna-N and Santoprene | Port sizes - 1" and 1-1/2" NPT | Sump lengths - 10" and 20" | Bag size - 4" x 8.25" (10") or 4" x 18.25" (20") | Max operating temperature - 100-165F | Includes gauge, wrench, basket, and 3/8" drain valve</p>

Pentek Pbh Series Bag Filter Vessel Housing

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<p>Stock the Pentek Big Blue with Drain for installers who need a built-in drain valve alongside large-capacity filtration. This extra-large housing offers the same high-flow, heavy-sediment capacity as the standard Big Blue Heavy Duty line, reducing the number of vessels needed for demanding flow-rate applications, but adds a 3/8" ball-valve drain and drain plug for convenient sump draining during service or winterization. Available in 10" and 20" lengths, the High-Flow Polypropylene (HFPP) cap comes in 3/4", 1", or 1-1/2" NPT inlet/outlet configurations and includes a pressure relief/bleed button on the inlet side for safe cartridge changes. The single large ACME thread closure ensures quick opening and a positive seal. Accepts standard 4-1/2" diameter cartridges. A practical upgrade pick for dealers whose customers want easier maintenance and drain-down built into the housing itself. Key specs: Housing - Polypropylene | Cap - Polypropylene (HFPP) | O-Ring - Buna-N | Ball valve - PVC/Buna-N seals | Drain plug - High-density polypropylene | Port sizes - 3/4", 1", 1-1/2" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 4-1/2" diameter | Max pressure - 100 psi (10") / 90 psi (20") | Temperature rating - 40-100F | Includes 3/8" drain valve and pressure relief button</p>

Pentek Big Blue Filter Housing with Drain

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<p>Offer the Pentek High Temperature Series as an economical alternative to stainless or carbon steel housings for hot-water industrial applications. Both housing and cap are molded from durable glass-reinforced nylon, giving strong chemical resistance against organic solvents, seawater, alcohol, petroleum, and vegetable oils (not recommended for use with ketones). Available in 10" and 20" lengths with either 1/2" or 3/4" NPT connections: the 1/2" housing uses a Viton O-ring and is rated to 160F, while the 3/4" housing uses a Silicone O-ring and is rated to 165F. Both are rated up to 125 psi maximum pressure. Compatible with standard double open end (DOE) cartridges. A cost-effective option for dealers serving industrial customers who need hot-water filtration without the expense and bulk of a stainless steel housing. Key specs: Housing - Glass-reinforced nylon | Cap - Glass-reinforced nylon | O-Ring - Viton (1/2" housing) or Silicone (3/4" housing) | Port sizes - 1/2" and 3/4" NPT | Sump lengths - 10" and 20" | Max pressure - 125 psi (8.6 bar) | Temperature rating - up to 160F (1/2" housing) / up to 165F (3/4" housing) | Compatible with standard DOE cartridges | Not for use with ketones</p>

Pentek High Temperature Series Filter Housing

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<p>Supply the Pentek ST Series when plastic housings can't handle the heat or pressure. Built from brushed 304 stainless steel with a nickel-plated cast-brass head, this heavy-duty housing is designed for hot water and high-pressure point-of-use applications across commercial and industrial settings such as restaurants, spas, farms, schools, and institutions. Available as the ST-1 (10", up to 10 GPM) and ST-2 (20", up to 15-20 GPM), it accepts a complete range of standard double open end (DOE) cartridges up to 3" diameter. The 3/4" NPT sump has either a pipe plug or petcock for draining, and Buna-N and cellulose fiber gaskets provide the seal. Rated up to 250 psi and 275-300F depending on configuration. Not recommended for water with TDS or chlorides above 1000 ppm or pH below 5.0. A premium, high-durability option for dealers serving customers who need filtration beyond what standard polypropylene housings can support. Key specs: Housing - Brushed 304 stainless steel | Head - Brass/nickel plated | Sealing gaskets - Buna-N, cellulose fiber | Port size - 3/4" NPT | ST-1 - 10", up to 10 GPM | ST-2 - 20", up to 15-20 GPM | Max pressure - 250 psi (17.2 bar) | Max temperature - 275-300F | Max cartridge diameter - 3" | Not compatible with GAC, CC, CGAC, TSGAC, WS, PCF, or PCC cartridges</p>

Pentek St Series Stainless Steel Filter Housing

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<p>Stock the Pentek Traditional Slim Line Series for installations where space is at a premium but full filtration capacity still matters. This slim-profile housing fits most standard filter cartridges while occupying a fraction of the footprint of standard-body housings, making it well suited to under-sink and countertop residential filtration, pre- and post-RO filtration, RV filtration, and foodservice applications. Available in 5", 10", and 20" lengths with either reinforced polypropylene (opaque) or clear Styrene-Acrylonitrile (SAN) sumps. The black or blue reinforced polypropylene cap comes in 1/4", 3/8", or 1/2" NPT connection sizes, with four molded bosses for mounting and an optional pressure relief button on the inlet side for easier cartridge changes. Rated up to 125 psi and 40-125F, with select part numbers NSF/ANSI Standard 42 certified. A space-saving complement to the Traditional Standard line for dealers serving compact installation jobs. Key specs: Housing - Polypropylene (opaque) or SAN (clear) | Cap - Reinforced polypropylene | O-Ring - Buna-N/EPDM | Port sizes - 1/4", 3/8", 1/2" NPT | Sump lengths - 5", 10", and 20" | Max pressure - 125 psi (8.6 bar) | Temperature rating - 40-125F | Optional pressure relief button | NSF/ANSI 42 certified (select part numbers)</p>

Pentek Traditional Slim Line Series Filter Housing

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<p>Stock the Pentek Traditional Standard Series, a versatile workhorse housing suited to residential, commercial, and industrial low-flow applications. Available in 10" and 20" lengths with either opaque reinforced polypropylene or clear Styrene-Acrylonitrile (SAN) sumps, giving dealers a choice between standard chemical-resistant housings and clear units for on-site visual monitoring of flow and cartridge life. Thick housing walls add strength, and the reinforced polypropylene cap has a 3/4" NPT threaded connection with an optional pressure relief/bleed button for easier cartridge changes. Accepts a wide range of standard 2-1/2" to 2-7/8" diameter cartridges. Rated up to 125 psi and 40-125F, and select part numbers are NSF/ANSI Standard 42 certified. A dependable, general-purpose stocking item for dealers covering the full range of standard filtration needs. Key specs: Housing - Polypropylene (opaque) or SAN (clear) | Cap - Reinforced polypropylene | O-Ring - Buna-N/EPDM | Port size - 3/4" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 2-1/2" to 2-7/8" diameter | Max pressure - 125 psi (8.6 bar) | Temperature rating - 40-125F | Optional pressure relief/bleed button | NSF/ANSI 42 certified (select part numbers)</p>

Pentek Traditional Standard Series Filter Housing

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<p>Stock the OMNIFilter WH5, a 10" clear standard filter housing designed for average-size homes on 3/4" incoming water lines, suitable for both well and city water applications. The clear Styrene-Acrylonitrile (SAN) sump lets homeowners see the filter working and know at a glance when it's time for a cartridge change, while the reinforced polypropylene cap has an integral mounting bracket built in, eliminating the need for a separate bracket purchase. Equipped with 3/4" NPT inlet and outlet ports, it accommodates a wide range of 2-1/4" to 3-1/8" diameter standard cartridges, including OMNIFilter TO1, TO3, RS1, RS2, RS12, RS14, and RS19. Ships with mounting screws and housing wrench included. An accessible, ready-to-install entry point for dealers serving residential whole-house filtration customers. Key specs: Housing - Clear Styrene-Acrylonitrile (SAN) | Cap - Reinforced polypropylene with integral mounting bracket | Port size - 3/4" NPT | Length - 10" | Cartridge compatibility - 2-1/4" to 3-1/8" diameter | Includes - Mounting screws, housing wrench, installation manual | Cartridge sold separately</p>

Omnifilter Wh5 Standard Filter Housing

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<p>Save installation time with the Pentek BFS/BBFS Series, pre-assembled multi-housing filtration systems built for step-down and multi-stage filtration in one unit. Each system ships fully assembled on a powder-coated carbon steel wall-mounting bracket with hardware included, ready to install out of the box. The BFS-201 pairs two compact 3/8" NPT Slim Line housings for space-constrained installations, while the BBFS-22 and BBFS-222 configurations use two or three large-capacity 1" NPT #20 Big Blue housings for higher cartridge capacity and higher flow rates. All housings are polypropylene with Buna-N O-rings and include a pressure relief button on the inlet side for fast, safe cartridge changes. Suitable for residential, commercial, and industrial applications including sediment reduction, deionization, step-down filtration, taste and odor control, and pre-RO filtration. A ready-to-sell, high-margin system for dealers who want to offer a complete multi-stage solution without assembling individual components. Key specs: Housing/Cap - Polypropylene | Bracket - Powder-coated carbon steel | O-Rings - Buna-N | Max temperature - 100F | BFS-201 - two 3/8" NPT Slim Line housings, up to 125 psi, up to 10 GPM | BBFS-22 - two 1" NPT #20 Big Blue housings, up to 90 psi, up to 40 GPM | BBFS-222 - three 1" NPT #20 Big Blue housings, same rating | Pressure relief button included | Ships pre-assembled with mounting hardware</p>

Pentek Bfs/bbfs Series Basic Filtration Systems

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<p>Supply the Pentek All Natural Series to customers who need high-purity filtration without the cost of fluoropolymer, stainless steel, or PTFE housings. Both the housing and cap are molded from all-natural polypropylene with no fillers, colorants, plasticizers, or lubricants, and the ultra-smooth internal surfaces resist bacterial adhesion and buildup. FKM (Viton) O-rings on the cap and plug provide dependable, chemical-resistant sealing, making this series well suited to deionized water, reagent-grade water systems, and other high-purity or semiconductor-adjacent processing applications. Available in 10" and 20" lengths with 3/4" NPT inlet and outlet threads, and select models with plugged 1/4" NPT ports. A specialized, margin-friendly addition for dealers serving laboratory, pharmaceutical, and process-water customers. Key specs: Housing - All-natural polypropylene | Cap - All-natural polypropylene | O-Ring - FKM (Viton) | Cap O-Ring - #241 FKM | Plug O-Ring - #112 FKM | Port size - 3/4" NPT | Sump lengths - 10" and 20" | Max pressure - 100 psi (6.9 bar) | Temperature rating - 40-100F | Resists DI water and inorganic solutions, resists stress cracking</p>

Pentek All Natural Series Filter Housing

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<p>Genuine Pentek 150233 Big Blue filter housing, sized for 20" x 4.5" heavy duty cartridges. Built for high-flow, heavy-sediment applications, this extra-large housing reduces the number of vessels needed for demanding flow-rate requirements. The black high-flow polypropylene (HFPP) cap has 1" female NPT inlet and outlet ports for fast connection to standard plumbing, plus an integrated pressure relief button on the inlet side for quick, safe cartridge changes. The reinforced polypropylene sump offers strong chemical compatibility for residential, commercial, and industrial use. NSF/ANSI Standard 42 certified for material and structural integrity. A dependable stocking item for dealers and installers supplying whole-house filtration and POE systems. Key specs: Part number - 150233 | Housing - Polypropylene (blue) | Cap - Polypropylene (HFPP, black) | O-Ring - Buna-N (151122) | Port size - 1" female NPT | Length - 20" | Cartridge compatibility - 20" x 4.5" | Max pressure - 90 psi (6.2 bar) | Max temperature - 100F | Pressure relief button included | NSF/ANSI 42 certified</p>

Pentek 150233 Big Blue 20" Filter Housing, 1" Npt with Pressure Relief

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<p>Stock the Pentek Big Clear Heavy Duty Series for customers who want on-site visibility into filter performance. This large-capacity housing pairs a clear sump with a blue polypropylene cap, letting installers monitor flow, sediment buildup, and cartridge life at a glance. Available in 10" and 20" lengths, it accepts standard 4-1/2" diameter cartridges and reduces the number of vessels needed for high flow-rate applications. The reinforced polypropylene cap features a 1" NPT threaded inlet/outlet connection with a pressure relief/bleed button for fast, safe cartridge changes. Rated up to 100 psi (10") / 90 psi (20") and 40-100F. A strong wholesale option for dealers and installers who need a visual-monitoring housing alongside standard opaque Big Blue units. Key specs: Housing - Lexan (10") / SAN (20"), clear sump | Cap - Reinforced polypropylene, blue | O-Ring - Buna-N | Port size - 1" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 4-1/2" diameter | Max pressure - 100 psi (10") / 90 psi (20") | Temperature rating - 40-100F | Pressure relief/bleed button on inlet side of cap</p>

Pentek Big Clear Heavy Duty Filter Housing

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<p>Stock up on the Pentek Big Blue Heavy Duty Series &mdash; an extra-large capacity filter housing built for high-flow and heavy-sediment applications. Available in 10" and 20" sump lengths, it accepts a wide range of standard 4-1/2" diameter cartridges, reducing the number of vessels needed for high flow-rate installations. The polypropylene housing pairs with a High-Flow Polypropylene (HFPP) cap, offered in 3/4", 1", or 1-1/2" NPT inlet/outlet configurations to match flow requirements. Units are available with or without an integrated pressure relief button for faster, safer cartridge changes. Rated up to 100 psi (10") / 90 psi (20") and 40-100F, and NSF/ANSI Standard 42 certified for material and structural integrity. Ideal for residential, commercial, and industrial POE applications &mdash; a reliable, high-volume option for dealers and installers stocking bulk inventory. Key specs: Housing - Polypropylene | Cap - Polypropylene (HFPP) | O-Ring - EPDM/Buna-N | Port sizes - 3/4", 1", 1-1/2" NPT | Sump lengths - 10" and 20" | Cartridge compatibility - 4-1/2" diameter | Max pressure - 100 psi (10") / 90 psi (20") | Temperature rating - 40-100F | NSF/ANSI 42 certified</p>

Pentek Big Blue Heavy Duty Filter Housing

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