AquaFlo 20 Micron 4.5"x 20" Polypropylene Melt Blown Filter / Part# 36288 - the water guys
Membrane Solutions 5 Micron 2.5" OD x 20" Length Sediment Water Filter String Wound Polypropylene Cartridge for Whole House Filter Systems - 6 Pack : Amazon.ca: Tools & Home Improvement
Filter Cartridge 2.5 x 30 Inch String Wound Polypropylene 20 Micron
Cartouche filtrante 20" Big Blue 5 micron - POMPES H2O
Filter cartridge BIG BLUE PP20 "(polypropylene, 20 microns) - WATEX
25 Microns Whole House Big Blue Pp Melt Blown Filter 4.5" X 20" Polypropylene Sediment Water Filter Cartridge - Water Filter Parts - AliExpress
Amazon.com: 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