$68.99 1-micron Polypropylene (PP) Filter sediment filter cartridge â AquaizeSG â Your one-stop 
0.2 micron pvdf filter cartridge for industrial filter-Lvyuan
Amazon.com: 0.2 Micron Filter Cartridge Pleated Polypropylene, 2.7 x 10, DOE, Submicron 
