Features: Uses with this item | Include a GAC polishing post-filter AFTER the DI media to improve taste, odor and color Combination unit, built in DI + RO system for ultra pure water use, that's double protection for you Can be installed to any fresh water source for your aquarium and drinking water Also for any application requiring ultra pure water like Reef, Aquarium, hydroponics, humidifier and jewelry cleaning High technology to deliver the greatest quality water you deserve Installs under your sink and works as a regular drinking water system, just turn the valves on and you have pure water Easy to install this system, just like replacing a kitchen faucet No more bottles of water to carry home Your fish will say this is the best Removes 99% of all Sodium, aluminum, lead, copper, arsenic, mercury, calcium, phosphate, iron, magnesium, zinc, chloride, nitrate, silicate, cyanide, sulphide, nickel, silver, bicarbonate, manganese, ammonium, barium, chromium and Phosphates Removes 99% of all bacteria from your water Water Purity Reference: (1.)Tap or well water(300 PPM), (2.)After RO system(1~20 PPM) | Specifications | New 1set 3pcs Portable Reverse Osmosis RO Replacement Filters (Please Click Picture to enlarge the picture) | |  | in-line granular activated carbon filter | | | | |  | in-line granular activated carbon filter | | | | |  | in-line 5 micron PP sediment filter | | to remove dirt, sediment, rust and sand particles | | | Dimensions | New 3pcs Portable Reverse Osmosis RO Replacement Filter 3lb. (Net Weight) 4lb. (Gross Weight) 3 inches x 12 inches x 10 inches (W x L x H) | Package Content | 4 set 12 pcs Portable Reverse Osmosis RO Replacement Filters 4 x 10" 5 micron Polypropylene sediment Pre-Filter with housing 8 x 10" in-line granular activated carbon Post-Filter | |