[Widely applicable] Suitable for most oblong basin faucets, suitable for faucets with a diameter of 16-22 mm. Applicable faucets: single-hole basin mixer, double basin mixer, shower, bathtub faucet, kitchen faucet. [Faucet water filter] The built-in layered filter can separate coconut activated carbon, zeolite, PVA non-woven fabric, calcium sulfite and rubber, and is used to purify hard water and well water. [Healthy Lifestyle] Water that removes chlorine, heavy metals, and other impurities makes the water sweeter and safer. [Easy to clean] Essential items for home and office use, 100% brand new and high quality. High temperature resistant, not easy to deform. To clean, just remove the filter and rinse with water. [Water saving] It is made of soft rubber material to prevent water leakage and save water every time it is used.