SimPure adopt advanced filtration technology to provide you with safe and reliable drinking water Specification: Sediment Replacement Filter Cartridge Micron rating: 5 Micron Size: 10'' x 4.5'' Max. Pressure: 80 psi Max Temperature: 104°F (40°C) Material: Multi-layered Pure Polypropylene; Food-grade; BPA Free Lifetime: Replace the cartridge every six months or earlier(Depending on your water quality) Main Features: High Dirt Holding Capacity: Remove sediment, rust, dirt, sands, colloid, particles, etc. Improving your water quality, protect your health. Multi-layered: Thermally bonded 100% pure Polypropylene with gradient density. Universal Filtration: Industry standard 10'' x 4.5'', compatible with almost all 10'' x 4.5'' 5micron sediment water filters, fits for most undersink filtration, RO/DI filtration system, 10'' whole house system. Compatible with 10'' x 4.5'' 5micron sediment water filter of Culligan, 3M, Aqua-Pure, GE, APEC, Whirlpool, Global Water, iSpring, DuPont, etc. Replace the 10'' x 4.5'' 5micron sediment filter of following models: Aqua Pure AP110 & AP110-NP, GE FXUSC, Whirlpool WHKF-GD05, DuPont WFPFC5002, Culligan P5 P5D P5A, etc. Working Principle: Innermost Zone - small dust is filtered in the following layer to ensure the good filtration efficiency. Inner Zone - Small particles pass the outer layers, then filtered by inner layers, which made out of the fine fiber. Mid Zone - Multilayered structure layer and depth filtration pattern of the mid zone layer ensures good filtration efficiency. Outer Zone -The large dusts are filtered in following layer to prolong the filter service life. Package Included: 4 x SimPure Sediment Water Filters