Description: Airsoft Propane Filling Adapter for Green Gas with Silicone O il Po Item Specifics: Material: Metal, Silicone Color: Red For Propane Gas Tank Features: -- Use with any Standard Camping-style Propane Tank -- Completely Reusable and is a great substitute for Green Gas -- Silicone oil container: Store silicon 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 stem. -- Mixed propane with silicone oil: Only when you press the stem, the silicon 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 fill. Do NOT use WD-40 as a substitute for silicone Please 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 flammable. Tips: Please allow 1-3cm error of measurement. Photo color might be a little different from the actual product due to color display of different monitors. Product Includes: 1x Airsoft Propane Adapter