Big Blue 20" Clear Water Filter Housing - 1" or 3/4" NPT wigh pressure relief button

Handle the toughest filtration challenges with Big Blue housings. This housing is designed to be used with 4.5" x 20" cartridges. 

Available in several sizes, these multi-cartridge replacement housings feature reinforced polypropylene construction with chemical-resistance ideal for residential plumbing, commercial, and light industrial applications. Several cartridges are also available in GAC (granular activated charcoal), carbon block, pleated, and multi-depth polypropylene can help you solve virtually any filtration challenge. Designed to last with the highest quality FDA-Grade materials, this system is an affordable solution for your water filtration needs. 

Tested and certified by NSF International to NSF /ANSI Standard 42 on material and structural integrity. 

Applications: Whole house filtration, Reverse Osmosis, residential plumbing, icemakers, misting units, food processing, greenhouses, drip irrigation, wineries, and many more.