Pentek Big Blue Heavy Duty Filter Housing

Stock up on the Pentek Big Blue Heavy Duty Series — 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 — 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