Material-- Made of non-woven PVA + zeolite + maifan stone + calcium sulfite + natural coconut shell activated carbon + non-woven PVA, 6 layers of water filtration, non-toxic and safe to use. Easy to install-- Our clean purifier filter with a fixing ring, easy to install and use, suitable for installation on a circular outlet with a diameter of 15-32mm. Features-- This kitchen faucet water purifier head can prevent water from flaking, improve cleaning efficiency, reduce water consumption and energy costs. Clean-- Perfect faucet filter purifier to reduce residual chlorine in water and remove impurities inside the water, the top cover can be removed and cleaned for reuse, you will enjoy better waterquality. Application-- Activated carbon water filters can be installed on a circular outlet faucet. Perfect for bathrooms, kitchens, bars, washrooms, etc., make your home life safer and healthier.