The AquaOx whole house water filter is a point of entry water purifying system, which means it purifies all of the water in your house. It filters out unhealthy contaminants, toxins, and heavy metals, including but not limited to chlorine, lead, mercury and Trihalomethanes (Tthm’s)*. Using patented media, AquaOx reduces lime scale, mold and fungi in your tub and shower. It removes bacteria, chloramines, hydrogen sulfide and VOC’s (volatile organic compounds) and many pharmaceuticals. In fact, the AquaOx removes over 200 contaminants. The result: clean, odorless, great tasting water.