This Jumbo/Big 20 micron Polypleated filter is made by GDW USA with the best quality materials and workmanship. A reliable washable prefilter for commercial and rural water supplies. The Alpine Pure Gradient Density Polyspun 10 B PS GD 20 cartridge is a great alternative when depth filtration is needed.
Compatible with the Puretec PL20MP1, Davey 20PP10J, and WSI-PTC45-1020 cartridges.