OBMAO Hot Tub Stick,Spa Mineral Stick in-Filter Cartridge with 4 Months Lifetime Universal for Pool&Hot Tub to Keep Water Clear(Yellow,2PCS)

OBMAO Spa Mineral Stick/Hot Tub Stick Specifications: Capacity:Up to 500 gallons/2000L. Flow Rate:Works with all spa flow rates. Lifetime:Four months,minimum 4 hours daily. Materials : The hot tub mineral stick contains 6 types of natural mineral balls. Installation:Drops into the core of most spa sticks,works with suction-side and pressure-side stick.The spa mineral cartridge for hot tub comes with a complete instruction manual. Fuction:The spa mineral sticks for hot tub can significantly improve the look and feel of the water,ensuring that the odor-free spa brings you clear water. Wide application:The spa mineral stick is perfect for jacuzzi,alcove bathtub,walk-in bathtub,whirlpool bathtub,hot tub boat and most easy-to-use standard bathtubs,just a few seconds installation.