Water Filter: Blue faucet filter has maifan stone layer of activated filtration, can make water soft and take away the tap water taste. Universal & Easy Installation: Soft rubber interface fits diameter 0.6-0.9 Inch/1.6-2.4cm round taps without leaking and fall off problem. No tools needed to screw and remove the fixing ring. Please confirm the size of your faucet before purchasing. Rotatable & Stretchable: The flexible hose is not obstructed by the angle, making cleaning more convenient. Swivel water saving tap aerator extends water further to kids' reach. Splash-Proof: Build-in fan can reduce water pressure and prevent splashing water from wetting clothes. Water Saving: Kitchen sink aerator diffuser nozzle sprays water evenly, adds contact area to make faster rinse and clean, and help save water. Product description Specification Color: Blue Stretched Size: 2 x 4.3 Inch/5 x 11cm Compressed Size: 2 x 3 Inch/5 x 7.6cm Fit Nozzles Diameter: 0.6-0.9 Inch/1.6-2.4cm Package: 1x Faucet Water Filter Purifier Are you still worrying about water quality issue, splashing and inappropriate angle of the faucet? You must not miss our faucet mount filters. How to Apply 1.Soft rubber universal interface fit round nozzles, diameter: 0.6-0.9 Inch/1.6-2.4cm. Fit perfectly after rinsing the rubber mouth with hot water. 2.Put the fixing ring into the hose, then get the hose deep into the faucet, tighten the screws, and the installation is completed. Features: Faucet water filter system can purify hard water, better water taste and keep water fresh. Flexible 360 rotatable sink faucet sprayer makes cleaning vegetable, fruits and sink from different angles easier. Also as faucet extender to make hand washing independent for kids. Uniform size of filter holes and built-in fan contribute to the splash-proof, water-saving of movable kitchen sink aerator. Easy installation without water leakage. Suitable for kitchen, bathroom sink, bathtub and wash basin faucet. NOTE Not suitable for flat, square faucets. Please assure the size before your purchase.