2 Pack Spa In-Filter Mineral Sticks Parts Cartridge Sticks For Hot Tub Spa Swimming Pool Fish Pond Filter Cartridge, Last For 4 Months (Blue & Yellow)

HIGH QUALITY MATERIAL & LESS SKIN IRRITATION Our hot tub mineral stick is made of healthy and high-quality ABS materials. Reduces need for harsh chemicals; less skin irritation. Produce hydrogen-rich water and adjust the water to weak alkalinity Step1 Align the points of the two extension rods with the holes and insert them. Step2 Insert the assembled extension rod into the spa mineral stick to complete the installation. EXCELLENT LTRATION SYSTEM - The spa mineral filter stick multi-layer filtration makes water more healthy and can effectively filter out a variety of impurities, chlorineEco-friendly way to keep spa water in good quality and keep your tub clean EASY INSTALLATION& LOW MAINTENANCE - Easy to install and unaffected by heat,works with your existing flow rates Installation,just Simply drop the spa stick into your existing filter and let the hot tub sticks do their work. The maintenance cost is extremely low, helpful to save your time and cost. HIGH QUALITY MATERIAL & LESS SKIN IRRITATION - Our hot tub mineral stick is made of healthy and high-quality ABS materials. Drops directly into spa filter, keep fresh and clear water for a long time, bring you a natural and healthy spa. Suitable for most spas and hot tubs, also compatible use for inflatable spa, jacuzzi, walk-in bathtub, outdoor swimming pools, hot spring pools, baths, plunge pools and most easy-to-use standard bathtubs. Enjoy Natural and Healthy Water - Making hot tub water filtration more thoroughly, ensure your spa time comfier and cozier, provide best spa service you expect and more than that.