Scope of use: shower head, washing machine faucet, kitchen faucet, etc., as long as it is a 4-point universal interface can be connected.Quadruple filtration system: the first layer of nano-ceramic filter water rust, sediment, red worm and other large particles of impurities, the second layer of maifan stone adjusts the pH value of water, so that the water is weakly alkaline, the third layer of activated carbon adsorbs water odor The fourth layer of filters again intercepts the source of pollution, making the water more clear.Process: PlatingWorking temperature: 0-100 CFunction: Filter[conversion: 1cm = 0.3937 inches, 1inch = 2.54 cm]colour:SilverMaterial:ABSsize:7.5*4*4cmPackage Contents:4 * filterOnly the above package content, other products are not included.Note: Light 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.