The ZeroWater 5 Stage Advanced Filtration 4 PACK Replacement Water Filters ZR-006 is a set of high-quality water filters designed for household use. With a 5-stage filtration system, these filters effectively remove impurities and contaminants from your tap water to provide clean and healthy drinking water. The ZR-006 model is compatible with ZeroWater systems and is made in Mexico. This 4-pack of white filters ensures that you have an ample supply of clean water for your kitchen needs.