Nature2 Express Replacement Mineral Cartridge - W28175

The Nature 2 Express Replacement Mineral Cartridge is designed to fit the Nature2 Express In-Ground and Above-Ground Mineral Sanitizer Systems. Nature2 Express reduces the amount of chlorine that is traditionally used in pools using a combination of silver and copper minerals resulting in healthy, sparkling pool water. Cartridges are easy to install and are designed for pools up to 25,000 gallons. Each cartridge will provide sanitation for up to six months.