Nature 2 W28125 Professional G25 Replacement Mineral Cartridge 10-25K Gallons

Nature 2 Claritec replacement cartridge RG-25 - W28125 Releases the same minerals found in nature to control bacteria, algae and viruses Significantly reduces the amount of chlorine and chemicals needed to maintain your pool water Cartridge should be replaced every season or after 6 months of continuous use For use with In Ground pools only