Hot Tub Mineral Spa Purity for Sundance Spas, Mineral Cartridge to Clean and Clarified Spa Water Last for 4 Months Treats, Pack of 2

Easy to install and low maintenance. Installs in seconds, hot tub mineral stick lasts up to 120 days, Spa Hot Tub Filter Mineral Rod Parts are suitable for use in spas and hot tubs up to 500 gallons/2000 liters, and are suitable for all major hot tub brands, such as Sundance Spas. Controlled mineral release technology. Ensures optimal spa water maintenance, bringing you clean and crystal-clear spa water. Specifications: Material: plastic, Mineral cartridges contain silver and activated carbon filter particles. Color: Blue Size: 2.8*2.8*0.8 inches Widely Applicable: Suitable for most spas and hot tubs, also compatible use for inflatable spas, jacuzzis, walk-in bathtubs, outdoor swimming pools, hot spring pools, baths, plunge pools, and most easy-to-use standard bathtubs. Package includes: 2 x Spa mineral sticks Notes: For manual measurement, please allow slight errors in size. The color may exist slight differences due to different screen displays.