3-Stage Filtration System, countertop kitchen filter with three separate housings containing standard cartridges. Serial connection of the filters increases the filtration capacity and prolongs the life of cartridges. Removes contaminants from water in two stages: 1 stage: 5 micron fiber / to filter the coarse solid material in water. 2 stage: active charcoal / by pressing and absorbing the particles of water,it can filter the blanching liquid, chemicals, chlorine, smells, colors, methyl hydride and other harmful chemicals. 3 stage: 1 micron fiber / to filter the coarse solid material in water. Be able to match all standard 10" filters in the market. It is suitable for using in the kitchens, bathrooms, garages, yachts, cabins, and so on. Standards: 10"EG transparent housing x 1 10"EG white housing x 2 Housing wrench x 1 Faucet adapter x 1 Water pressure(PSI/kg/cm2): 15~125 / 0.8~8.6 The highest flow capacity: 1.0gpm Endurable temp.: 45oC