This handy little device makes it easier to fill your Motorhomes fresh water tank. Simply insert your fresh water hose through the water hose Stop and then the clip the stop into your motorhomes water filler. The Hose will stay in place so you do not need to stand holding the hose. Fits the majority of water fillers found on motorhomes.
What the manufacturer says:-
Suitable for most water inlet housings. Allows user to push through standard 1/2" hose into the cap and walk away in the safe knowledge that the on-board water tank will be filled without the water pipe falling out.