1. Material: metal, silica gel 2. Purpose: propane filling adapter, storage of silicone oil 3. Non-leakage design: Silicone oil will mix with propane when not in use and will not leak from the valve stem 4. Mixing propane and silicone oil: Only when the valve stem is pressed, the silicone oil will flow out together with the propane 5. Note: for air gun use only. Before filling, add 3 drops of silicone oil to the oil port. Do not use WD-40 instead of silicone. The nozzle of the adapter is not compatible with the cartridge with a large bottom plate. Propane is heavier than air. , Do not use indoors 6. Weight: about 30g 7. Size: about 4.5x3.6x3 cm
