filter cartridge system 50 micron|Big Blue Filter 50 Micron 10 GPM 1" NPT
Amazon.com: 50 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