Filter Cartridge Replacement for Pentair® Quad DE 100® by Optimum Pool Technologies

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These Filter Cartridge Elements are a direct replacement for the Pentair® Quad DE® 100SQFT pool filter. These unique filter cartridges are manufactured by Optimum Pool Technologies and are designed to combine the intense filtration of a DE filter along with the ease of cleaning and maintaining a cartridge filter. These filter cartridges contain 25 square feet of filtration each in order to combine for 100 square feet of total filtration. Find the 4 Pack of Quad DE® 100 Cartridge Replacements here. Features: Outside Diameter: 6-1/4” Inside Diameter: 3" Length: 32-3/4” Replaces part numbers: 178656 (OEM), Tank Number 188594, FC-1963, FC-6484, C-6900 Show more