This American Plumber W20CLA filter kit is a great replacement for your reverse osmosis system. The pleated cellulose material ensures a long lifespan of 4 months and a flow rate range of 10.0 - 20.0 gallons per minute. The filter is compatible with American Plumber brand and operates at a pressure of 30 - 100 PSI. The kit includes two sediment filters with a size of 10 x 2.5 inches and a micron rating of 20. The filters are designed to remove dirt, sand, rust, and other particles from your water. The American Plumber W20CLA filter kit is perfect for those who want to maintain the quality of their water and ensure that it is safe to drink.