General description This spa filter mineral cleaning cartridge is designed to enhance your swimming pool or hot tub experience by automatically adding trace elements to the water. It effectively reduces impurities, keeping the water clear and fresh while minimizing the need for bromine and chlorine, ensuring effective hygiene. Technical specifications Suitable for hot tubs up to 500 gallons / 2000 liters Lasts between 3-4 months Installation Easy installation by placing the mineral purifier in your existing equipment Insert the assembled extension rod into the spa mineral sanitizer to complete the installation Usage Compatible with most spas and hot tubs Suitable for swimming pools, walk-in tubs, whirlpool tubs, alcove tubs, and most standard user-friendly tubs