20" x 4.5" Big Blue Water Filter Housing - Available in 3/4" NPT, 1" NPT, and 1.5" NPT

Big Blue Water Filter Housings are made of a durable reinforced polypropylene cap and styrene acrylonitrile (SAN) sump and come equipped with 3/4" NPT inlet and outlet ports. The housings offer flow, performance, and cartridge life and accommodate a wide range of 20" x 4.5" diameter cartridges making them ideal for use in a variety of low-flow applications. Pressure relief is included. Our chemical-resistant replacement housings come in various sizes and can accommodate several cartridge types to tackle any filtration challenge. Made of FDA-grade materials, this system is a durable and affordable water filtration solution for residential plumbing, commercial, and light industrial applications. 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. It is recommended to replace filters every year.