Natural Mineral Cartridge, Single

Help condition your spa water with the Natural Mineral Cartridge. Acts as a spa water mineral cleanser. Can reduce the need for harsh traditional chemicals.* Compatible with all ozone systems. Designed to fit the convenient center chamber of the filter core cage of Bullfrog spas (standard in 2018 and newer spas or with the filter cage assembly (part #10-00417) in Bullfrog spas manufactured from 2013 to 2017. It lasts up to 3 months.