10" x 2.5" 0.5 Micron Melt Blown Polypropylene Filter
iSpring 1 Micron Sediment Water Filter 50 Pack 50-Pack Sediment and Particulate Under Sink Replacement Filter in the Replacement Water Filters & Cartridges department at Lowes.com
Harmsco PP-BB-20-1 | 1 Micron Absolute Filter Cartridge for 20" Big Blue Housing | WaterAnywhere
RainFlo Basic 20 inch 5 Micron String Wound Filter Cartridge - Rainwater Collection and Stormwater Management
filter cartridge system 50 micron|Big Blue Filter 50 Micron 20 GPM 1" NPT
Single 10" Filter Cartridge - Wound Polypropylene - 0.5 Micron - "Sterile" Filtration | The Beverage People