Reverse Osmosis Filter Replacement Set with 75GPD Membrane

About this item Standard 10" reverse osmosis replacement filter cartridges set,size at:2.5"OD x 10" height.Fits standard sized 5 or 6 stage reverse osmosis systems Pack of 8.[1 x PP sediment filter,1 x Granular activated carbon filter, 1 x Carbon block filter,1 x 75 gpd Ro membrane,1 x Post inline carbon filter,2 x Quikc fittings,1 x Seal tape]-NOTE: THE LAST STAGE POST CARBON IS 1/4"NPT THREAD INLET AND OUTLET NSF certificated RO membrane ,Reduce total dissolved minerals, Heavy Metal, Arsenic, Lead ,Mercury ,Fluoride,Hardness,Cadmium and more All Filters are individually wrapped&sealed and extend shelf life,Feed Water Condition:Water Pressure:40-100 psi,Temperate:40-110°F/5-45°C,Ph:3.0 -11.0,Max TDS :1000 ppm tap water or well water ISO9001:2008 certificated Manufacturer,30 Days Money Back Guarantee,Please flush new filters 30 minutes Work Condition: FEED WATER PRESSURE: 40 - 100 PSI , TEMPERATE:40-110°F/5-45°C , PH:3.0 -11.0 , MAX TDS :1000 PPM , TURBIDITY < 1.0 NTU , MAX SDI <4.0 , HARDNESS < 5 GPG , Shelf life: 3 Years . Note: 1. DO NOT FREEZE. 2. Please keep flush new membrane 30 minutes. Because there is protection material in it. then, TDS of pure water will be down to right level. 3. If you have chlorinated water, we recommend you use a Carbon/Sediment Pre-Filter. The residual chlorine in municipal or city water will destroy the membrane. if hardness is too high, we recommend you install water softener before Ro unit. More valuable information: 1. What is dimension of the Geekpure Replacement Water Filters? If not Geekpure, the filters is available to other brands Ro water purifier? Answer : 3 x prefilters is 2.5"ODx 10" height,1 x membrane is 1.8"x12". the post carbon filter is 2"x10", all is standard size. . 2. What is 5 stage filters and functions? Answer : PP Sediment-- Reduce silt,sand,dirt,sediment. Granular Carbon Filter--Reduce chlorine,odors and taste. Carbon Block Filter--Reduce chlorine,odors and taste. RO Membrane--Reduce total dissolved minerals. Post Carbon Filter-Improve water for refined taste. The Life Time of the Filter Cartridge Depends on Usage Amount and Feed Water Quality. 3. What is in the box? Answer : 1 x PP sediment ,1 x Granular Activited Carbon ,1 x Carbon Block Filters 1 x Reverse Osmosis Membrane and 1 x Post inline Coconut Carbon. And 2 x 1/4"NPT quick fittings ,1 Roll Teflon seal tape for post carbon filter.