Hydronix NSF 20" Blue Body, Black Cap 1" Pr, M14

4.5” OD Commercial Filter Housings are high durability commercial filter housing for 10” and 20” length cartridges. Excellent chemical resistance and are ideal for many high flow residential, commercial and light industrial applications. Feature larger ports to allow for a greater flow of liquid to pass through the housing. They are ideal for your larger capacity filtration needs and are made from durable polypropylene. Certified by NSF International against NSF/ANSI standard 42 for materials and structural integrity requirements.