1Multiple interface optional, 2 points, 3 points and 4 points optional. 2Can be used in 80% of the market flat mouth filter, such as polypropylene cotton, softening resin, carbon film filter core, etc. 3Double water - proof gasket, practical accessory for water purifier. 4Explosion-proof outsole, screw sealing, leakage proof, reliable to use. 5Full set of accessories, easy to operat, convenient for installation.
