10 Whole House 2 Stage Filtration Water System with PP Cotton CTO Carbon Replacement Filters _x000D_ Description: _x000D_ The first stage filter : PPF meltblown filter , commonly known as PP cotton _x000D_ Size: 10 inch _x000D_ Function: rust can effectively filter the water , sediment , colloids, suspended solids and other coarse solids . _x000D_ The second stage filter : granular activated carbon filter , commonly known as CTO _x000D_ Size: 10 inch _x000D_ Function: granular activated carbon adsorption high , effective adsorption of chlorine , odor , color and other substances. _x000D_ 3-6 Month Filter Life: By replacing your water filter every 3-6 months, depending on your water quality, you keep your water tasting great. _x000D_ High Quality Filtration: This filter reduces dirt, sediment, sand, silt, rust and corrosion, and other particles _x000D_ Use tap water pressure to provide power and no need electricity. _x000D_ Wall-mounted, pedestal-mounted, easy to install, suitable for household main intake pipes or water dispensers requiring pre-filter protection, boilers, water heaters, RO machines, etc. _x000D_ Made with food-grade PET materials, high strength, toughness, corrosion resistance, protect from secondary pollution. _x000D_ The sealing ring can effectively prevent leakage, seepage, explosion protection, freezing and dropping. _x000D_ Screw seal, bottle mouth thickening treatment, explosion-proof, thick spiral seal, safe leak-proof, transparent can be observed whether the filter needs to be replaced. _x000D_ Specification: _x000D_ Material: Plastic _x000D_ Size: _x000D_ A 1/4 inch - 23x13x31cm/9.05x5.12x12.2inch, Inner diameter of thread: 1.14cm _x000D_ B 1/2 inch - 23x13x31cm/9.05x5.12x12.2inch, Inner diameter of thread: 1.86cm _x000D_ Package Includes: _x000D_ 1 Piece 2 Stage Water Filter _x000D_ 1 Piece PP Cotton Filter _x000D_ 1 Piece CTO Filter _x000D_ 1 Piece Plastic Wrench _x000D_ 2 Pieces Pipe joint _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_