John Guest Steel 12mm to 1/2 Inch Hose Joiner. Common push on fitting found in many Jayco caravans and camper trailers. Also common in many other caravans and camper trailers.
Protect your HOTTAP wherever you take it! This weatherproof bag is padded all-round for extreme protection, and the waterproof zipper just seals the deal. Throw on the back of your ute tray and take your hottie anywhere.