Hydro Guard™ – H3 Series Housing

Slim Rib Cap Filter Housing

Built for versatility and reliability, Hydro Guard™ H3 Series Slim Rib Cap Filter Housings are designed to hold 2.5” diameter cartridges and fit most standard 4 7/8” and 9 7/8” filter sizes with ease. Manufactured from reinforced polypropylene, these housings are built for durability while remaining lightweight and easy to work with. Available in multiple colors and equipped with 1/4”, 3/8”, 1/2”, or 3/4” female NPT ports, the H3 Series makes it simple to match your system’s requirements without compromise. Select models also feature convenient pressure relief (PR) buttons for 1/2” and 1/4” port housings to make filter changes smooth and stress-free.

Perfect for a wide range of applications, the Hydro Guard™ H3 Series Slim Rib Cap Filter Housings is an excellent choice for pre- and post-filtration in RO systems, under-sink setups, countertop systems, ice machines, beverage stations, food service, photography, misting units, and more. Whether it’s in the kitchen, behind the counter, or integrated into specialty equipment, Hydronix delivers dependable housing that keeps your water clean and systems running efficiently.