Pleated High Flow Filters are made of advanced polypropylene microfiber, pleated filters are Parker high flow water filters replacement. Pleated high flow filters can directly replace Parker Megaflow and Fulflo series high flow pleated filters for high flow applications water filtration system. The water treatment volume for per pleated high flow filter cartridge equals to 10 pcs standard 40 inch length and 2.5" outer diameter water filter cartridges,inner single O-ring and double O-rings end caps insure no bypass and handle design makes more easier to install and change out.