H2O Intl. Inc. manufactures POU and POE GACIKDF systems and 100% KDF shower filters. The company also distributes more than 45 brands of products, which include ready-to-install systems as well as a variety of components to suit the needs of every water treatment dealer. Housings, cartridges, faucets, fittings and tubing are few of the inventoried items available. The company offers countertop, under-sink and whole house systems; dispensers; shower filters; in-line cartridges and more.