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Pleatco PWW50P4 Filter Cartridge for Pool and Spa with Free Flow Core
and also reduces scum lines
making it simple to compare shades under porch or lab light
Energy-efficient flow — Higher flow with less energy
Maintains proper flow path: preserves system water movement while bypassing the active cell
Bio-Dex Attack Size:1 lb Pleatco PWW50P4 Filter Cartridge forThe Bio Dex Attack product is an super strong shock oxidizer that will effectively clean the pool or spa, and will not add chlorine to the water. It is only intended to be used as a shock treatment in pools, spas, hot tubs, fountains or ornamental ponds. This is not a sanitizer, and will not replace the need for a regular application of sanitizer such as chlorine or bromine. Super concentrated non chlorine shock oxidizer Fast acting without any odor