Widely Applicable:Suitable for most of long and round basin faucets, applicable faucet outlet diameter from 16-22mm.Applicabe tap:Single hole basin mixer,Double basin mixer,Shower,Bathtub faucet,Kitchen faucet. Faucet Water Filter:Built-in layered filter can separate coconut activated carbon, zeolite, PVA non-woven?fabrics, calcium sulfite and rubber, which applys to purify hard water and well water. Healthy Lifestyle:Remove the water in the chlorine, heavy metals, other impurities,water more sweet, more secure. Easy to Clean:A must item for home office use, .High temperature resistance, not easy to deform.To clean, simply remove the strainer and rinse it off under the water. Water-saving:Made of soft rubber material can prevent water leak which can save water for your each time using. Color: As Shown Material: plastic Package Contents: 12 x Faucet Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.