Product Description and Compatibility. The Metpure 4.5″ x 20″ 5 micron 100% melt-blown polypropylene water filter removes sediment, large and fine particles including sand, dirt, silt, iron, and rust particles. Use in whole house, ro systems, or commercial applications. [FUNCTION] The polypropylene 5 micron water filter 20 x 4.5 inch universal replacement cartridge removes sediment, large and fine particles including sand, dirt, silt, iron, and rust particles. [SAFE USE] For drinking water applications, but can also be used for a hot tub, spa, pool, and aquarium. Do not use where water is microbiologically unsafe or of unknown quality without adequate disinfection before or after the water filter. Flush the filter with at least 3 gallons of water prior to usage. [QUALITY] Metpure 100% melt-blown polypropylene. This food grade 5 micron 4.5 x 20 sediment filter is made with radial multi-gradient tight-packed structured polypropylene fiber. Designed to maximize impurity holding capacity, the filter provides optimal filtration results and service life for a healthy and safe water-filtering experience. Contains no binders, agents, solvents, wetting agents, or antistatic materials. [SPECIFICATIONS] 4.5″ x 20″ size filter. Fits most standard 20 water filter housings (or other heavy duty filter housings) built for 20-inch x 4.5 inch filter cartridges. Service Life: 6-12 month. [COMPATIBILITY] This universal 5 micron polypropylene 20 x 4.5 water filter can be used in a wide rage of industrial filter housings and whole house filter housings. It fits most standard 20 housings. Compatible with Brands: Compatible with 3M, Compatible with APEC, Compatible with Aqua-Pure, Compatible with Culligan, Compatible with GE, Compatible with Hydronix, Compatible with iSpring, Compatible with Pentek, Compatible with Whirlpool and more. Compatible with Replacement Filters: Compatible with AP810-2, SDC-45-2005, FPMB5-20, P5-20, FP25B, 155358-43, Compatible with Aquaboon, Compatible with Aqua-Pure AP810-2, Compatible with Aqua Sun International SWS-BB, Compatible with ClearChoice 84644, Compatible with Everpure EV910837, Compatible with Hydronix SDC-45-2005, SDG-45-2005, Compatible with iSpring FP25B, Compatible with Neo-Pure MBGC-45200-05, Compatible with Pentair DEV910837, EV910837, P5-20BB, Compatible with Pentek 155358-43, P5-20BB, Compatible with Pura 33003117, Compatible with Sterilight CMB-520-HF, Compatible with Watts FPMB-BB5-20, and more filters. Compatible with Housings: Compatible with 3M 70020143163, Compatible with APEC, Compatible with Aqua-Pure AP802, AP802-1.5, Compatible with Aquasana, Compatible with Costway, Compatible with Culligan, Compatible with Cuno 5557610, CFS02T, Compatible with DuPont, Compatible with GE, Compatible with Geekpure, Compatible with Glacier Bay, Compatible with Global Water, Compatible with Olympia, Compatible with Pentek, Compatible with Smart Aqua Life, Compatible with The Perfect Water, Compatible with US Aqua, Compatible with Whirlpool, and more. This is a universal and compatible replaceable part. The manufacturers’ names and part numbers have been used for reference purposes only. Any use of brand names or models is made solely for purposes of demonstrating compatibility with this product. To avoid danger of suffocation, keep plastic wrapper away from babies and children. Do not use in cribs, beds, carriages or playpens. The plastic wrapper is not a toy. Discard plastic wrapper and any other packing materials immediately after removing product.