Nature2 CF (Core Drop-In) Purifier Cartridge for Pools Up to 25K - Single Unit filter-width_15 5/16 inches This is a 5

This is a 5

Energy Efficiency

and painted

This is a 1 pound bag of Stabilizer which contains Cyanuric Acid and reduces chlorine consumption in water due to ultraviolet light

There are no parts to fall out or break

Nature2 CF (Core Drop-In) Purifier Cartridge for Pools Up to 25K - Single Unit filter-width_15 5/16 inches This is a 5This Nature 2 CF Purifer Cartridge is for pools up to 25,000. The Nature2 CF Cartridge does not require a separate vessel. It is a simple drop in unit for your pool's existing cartridge filter. Simply place the Nature2 CF in your pool's cartridge filter core and let our exclusive mineral process do the rest. Get all the benefits of Nature2 with practically effortless installation. Nature2's patented technology uses minerals to kill bacteria and