The Firewall UV Home Water Purifier combines one of the highest efficiency carbon block filters with an incredibly effective compact UV system. These two technologies are then surrounded with the antimicrobial protection of Biocote to give you incredibly pure, tasty water that is over 99% bacteria free! Simply fill the BPA-free reservoir with tap water, plug in and dispense. The Firewall UV Home Water Purifier cleans and filters each drop of water the moment you need it. There’s no installation and no waiting… just good water!