PP Jumbo Sediment Water Filter Cartridge (PP-1 Micron) Again Add PP Yarn of PP Sediment Filter add after waterquality to remove rust and sediment from the water, ideal for use in any application requiring particulate removal.< Thicker walls for increased strength.br>Ideal for a wide range of applications. Available with clear Styrene-ACrylonitrile and opaque polypropylene sumps.