Description: The first stage filter : PPF meltblown filter , commonly known as PP cotton Size: 10 inch Function: rust can effectively filter the water , sediment , colloids, suspended solids and other coarse solids . The second stage filter : granular activated carbon filter , commonly known as UDF Size: 10 inch Function: granular activated carbon adsorption high , effective adsorption of chlorine , odor , color and other substances. The third stage filtration : Precision mesh activated carbon filter, commonly known as CTO Size: 10 inch 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. High Quality Filtration: This filter reduces dirt, sediment, sand, silt, rust and corrosion, and other particles Specification: Material: PP Cotton + Activated Carbon Overall Size: Approx. 410x150x410mm/16.14x6x16.14inch The first stage filter: Length: 25.4cm/10inch, Outer Dia:6.3cm/2.5inch, inner dia:3cm/1.18inch The second stage filter:Length: 25.4cm/10inch, Outer Dia:7.5cm/2.95inch, inner dia:2.8cm/1.10inch The third stage filter: Length: 25.4cm/10inch, Outer Dia:7cm/2.75inch, inner dia:3cm/1.18inch Package Includes: 1 Set 3 Stage Water Filter Cartridge