Water filling adapter / tank lid with hose connection adapter and dust protection cap, for filling and closing tanks

摘要

Water filling adapter and tank cap (1) with hose connection adapter (2) for receiving hose quick coupling, characterized in that a valve (3a) with return spring (3b) in the housing (3) prevents water from leaking out of the tank. Dust protection cap (4), for closing the adapter coupling, screw connection on the filler neck (5)