The Hydronix HX-HF3-5CLWH12 5″ Clear Housing White Rib Cap with IN and OUT fittings is water filter designed for use in reverse osmosis systems. Made of durable plastic, this filter features filtration method that effectively removes sediment contaminants. It is suitable for household use and compatible with brands such as Aqua Optima, FilterLogic, and Brita. With a sleek white color and a height of 8 inches, this water filter is a reliable and essential appliance for any kitchen or home setting. With spare carbon block filter cartridge, CBC-5 – 0.5 micron, 40-180 deg. F and rubber seals.