3M 4US-RO-S01H Reverse Osmosis Drinking Water Filter System Provides unlimited access to bottled water quality water right at your kitchen sink - filters the equivalent of over 22,000 bottles of water per year Quick-change filter design for easy and mess free filter changes - no need to turn off your water supply Reduces chlorine taste and odor, microbial cysts, lead, select pharmaceuticals, chemicals, total dissolved solids, nitrates, nitrites, radium, arsenic and many other contaminants Uses replacement filters 4US-RO-F02H and membrane 4US-RO-M01H Package includes everything needed for a typical DIY installation: system, installation kit, 3 filters and 1 faucet