Type:Gas Adapter Propane Filling Adapter for Gas with Silicone O il Port Use with any Standard Camping-style Propane Tank Fully Reusable and is a great replacement for Green Gas Silicone oil container:Store silicon oil and lubricant your with refill propane. Non-leaking design:The silicone oil mix with the propane while not use. The silicone oil not leak from . Mixed propane with silicone oil:Only when you the stem,the silicon oil go with propane and go inside For use. Add 3 drops of silicone oil in oil port before allowed to fill. Do not use as a silicone substitute colour:Red + silver Material:Plastic + metal Size:Size:about 5cm Package Contents: 1* connector Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.