Camping Moon Propane To Butane Adapter, Built-In Regulator With Extension, Cb. This adapter can convert 16oz small propane tank to nozzle type butane canister. ?Please note that gas fuel is not included. Regulator for high pressure propane gas: Built-in regulator eliminates the malfunction of the pressure sensing safety device on the stove. 20 inch / 50 cm length stainless braided hose with interior ruber. Keep gas fuel tank far away from the sotve. FEATURES: *OUTDOOR USE ONLY* 1)Equipped with a check-valve (self-sealing valve) O-ring, therefore it won't leak when connect it to gas canister. 2)STAINLESS BRAIDED HOSE : Our hose is resistant in corrosion/high temperature/abrasion. It is more durable and flexible than other's normal hose.