Airsoft Propane Filling Adapter for Green Gas with Silicone O il PoItem Specifics: Material: Metal, SiliconeColor: RedFor Propane Gas TankFeatures: -- Use with any Standard Camping-style Propane TankCompletely Reusable and is a great substitute for Green GasSilicone oil container: Store silicone oil and lube your GBB with refill propane.Non-leaking design: The silicone oil will mix up with the propane while not use. The silicone oil will not leak out from voice.Mixed propane with silicone oil: Only when you press the voice, the silicone oil will go out with propane and go inside to your GBB magazine.--For Airsoft use ONLY. Add 3-drops of silicone oil into oil port before filling. Do NOT use WD-40 as a substitute for siliconePlease Note: The nozzle of this adapter is not compatible with magazines with extra large base plates. It will not reach the fill nozzle on guns such as the WE Hi-Capa. Also, propane is heavier than air, do not use indoors. Propane is poisonous if large amounts are inhaled, and extremely flammableProduct Includes: 1x Airsoft Propane Adapter