黄色录像一级片网址,91看片久久,手机三级av,无码aV高清色色,五月天一级A片

Water quick connector

Used in automobiles crankcase ventilation pipe tubes connect the air pipe connection Not only can rely on the inner hole wall of a butt joint and the sealing ring of the trachea joint interference fit to realize the two kinds of joint connections, and by docking a card table face to match the tracheal joint cuneate raised face, realize the double insurance
●Provide quick connector for automotive piping system.
●Provide a quick connection for the secondary matching system.
●Installation and removal of the product do not require installation tools.
●Suitable for pipe fittings conforming to universal standard (in accordance with German VDA standard)