Description: 【Compatible Models】: Propane Fill Adapter for Gas with Gauge and Thimble Protective Cap for use with Propane Camping Tanks; can be used for Gas Tanks, Air Spray, Propane Tanks 【Function】: Detect the air pressure and air tightness of the gas in the propane tank, the propane filling adapter is equipped with a pressure gauge, you can observe the amount of gas used through the pressure gauge, it also has an exhaust valve, which can exhaust the air when needed 【Material】: propane filling adapter made of metal, lightweight, high strength, easy to form, long service life, high efficiency 【1 Piece design】: This propane filling adapter adopts a piece design, which is more airtight than the ordinary split type, which can ensure no air leakage 【Efficient Propane Filling】: This adapter enables quick and easy filling of Gas tanks with propane. It ensures a seamless supply for activities, allowing users to enjoy their games without interruption. The efficient filling process saves time and effort Specification: Material: Metal Size: 5cm/1.97inch Package Includes: 1 Propane Filling Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.