Filter Cartridge 2.5 x 9-7/8 Inch String Wound Polypropylene 20 Micron
20 Micron Sediment Water Filter Cartridge 10"x 2.5", Four Layers of Filtration, Removes Sand, Dirt, Silt, Rust, Made from Polypropylene for any RO Units or Whole House Water Filtration Systems 6 Pack :
RainFlo Basic 20 inch 20 Micron Pleated Filter Cartridge - Rainwater Collection and Stormwater Management