Material: made of PVA fleece + zeolite + maifan stone + calcium sulphite + natural coconut shell activated carbon + PVA fleece, 6 layers of water filtration, non-toxic and safe to use. Easy to install: our clean cleaning filter with a mounting ring, easy to install and use, suitable for installation on a circular outlet with a diameter of 15-32 mm. Features: This tap head for kitchen tap water can prevent water from slotting, improve cleaning efficiency, reduce water consumption and energy costs. Cleaning: tap filter cleaner, perfect for reducing residual chlorine in the water and removing impurities in the water. The top cover can be removed and cleaned for reuse. You can enjoy better quality water. Application: activated carbon water filters can be installed on a circular outlet tap. Perfect for bathrooms, kitchens, bars, bathrooms, etc., make your household life safer and healthier.