Universal Standard Size: It is a 20-inch x 2.5-inch 1/5/10/20-micron polypropylene sediment filter cartridge. Membrane Solutions polypropylene water filter cartridge is compatible with a wide range of industrial filter housings and whole-house filter housings  Effective High-Quality Filtration: This polypropylene sediment filter removes 99% rust, silt, sand, iron, and other undissolved particles in dirty water. As the first line of defense in the filtration system, it can protect your water using appliances and plumbing for cleaner water, and improve water quality and taste. Effective 3-Layer Structure: This polypropylene water filter has three separate gradient density layers, which enhances cartridge performance and makes a higher dirt-holding capacity than the similar-sized sediment water filter.  Long-Lasting Filtration Performance: For better water quality, it is recommended to replace the polypropylene water filter for 3-6 months, depending on the quality of the original water source and application type. The recommended change-out differential pressure is 30 psi (2.1 bar).