20" Sediment Pre Filter (5 Micron) | Finest-Filters
5 Micron Inline Sediment Filter Cartridge 2.0 Inch Diameter
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