Compatible with the Waterdrop G2 Reverse Osmosis Water Filtration System ???????????????????? ??????????: Waterdrop WD-G2-W, WD-G2-B, WD-G2P600-W, WD-G2MNR-W Reverse Osmosis System. ???????? ?????????????? ????????: The filter provides you with 12 months or 1,100 gallons of clean filtered water. To get the best filtered water, please replace the filter according to the replacement cycle. ?????????????????? ????????????: The 2-in-1 front filtration stage effectively reduces sand, rust, particulates, suspended solids, and other impurities, providing you with clean and pure water. ?????????????? ????????????????: The filter uses a superior natural activated carbon block and a sediment PP membrane with a small aperture, efficiently reducing chlorine, taste and odor, and organics. ???????? ????????????????????????: You can replace the filter in 3 seconds with a single twist. No tools required.