Made of 100% Polypropylene. Function-Remove silt, sand, rust, dirt, and other undissolved particles,these can be used for residential and commercial applications. Fits all standard 10" sized big blue filter housing, size at 4.5" diameter x 10" height. 5 Micron All Filters are individually wrapped sealed and extend shelf life. It is installed at the main water supply and produce pure water for your entire home. Recommended Life time : 6-12 months or 100K gallons (Depends on Usage Amount and Feed Water Quality). Flow rate : 5-15 GPM (Depend on Feed Water Pressure). Sediment cartridge is used to remove silt, sand, rust, dirt, and other undissolved particles,these can be used for residential and commercial applications. **Please note this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only.