20" x 2 1/2" Gradient Density Polyspun

50 to 20 Micron Density. Suitable for all 20" STD housings. Holds more dirt and impurities than normal Depth poly spun or pleated filters. Please note this filter is not a normal Polyspun Depth Cartridge it is the highest quality NSF approved Dual Gradient Density.

Compatible with the Puretec PX202 and Davey 20PS20 cartridges.

100 to 50 Micron Density. Suitable for all 20" STD housings. Holds more dirt and impurities than normal Depth poly spun or pleated filters. Please note this filter is not a normal Polyspun Depth Cartridge it is the highest quality NSF approved Dual Gradient Density.

Compatible with the Puretec PX502 cartridge.

20 to 1 Micron Density. Suitable for all 20" STD housings. Holds more dirt and impurities than normal Depth poly spun or pleated filters. Please note this filter is not a normal Polyspun Depth Cartridge it is the highest quality NSF approved Dual Gradient Density.

Compatible with the Puretec PX012 and Davey 1PS20 cartridges.

From 30 Micron down to 5 Micron Density. Suitable for all 20" Standard or Medium size housings. Holds more dirt and impurities than normal Depth poly spun or pleated filters. Please note this filter is not a normal Polyspun Depth Cartridge it is the highest quality NSF approved Dual Gradient Density.

Compatible with the Puretec PX052 and Davey 5PS20 cartridges.