4.5 x 20 Inch 20 Micron Pleated Sediment Cartridge
10 Inch Sediment Reduction s/w 20 Micron CRT10SW-20M
Membrane Solutions 5 Micron 2.5" OD x 20" Length String Wound Polypropylene Sediment Water Filter Cartridge for Whole House Filter Systems - 6 Pack : Amazon.co.uk: DIY & Tools
Membrane Solutions 20 Micron 10"x2.5" String Wound Whole House Water Filter Replacement Cartridge Universal Sediment Filters for Well Water - 6 Pack : Amazon.co.uk: DIY & Tools
Sediment Filter Cartridge 4.5 x 20 1 Micron Absolute for water