Soda-club Co2 Adapter, Trinity Supply Tank Adapter for Paintball Co2 Tanks fits Soda maker beverage machines. FAST SHIPPING, WE SHIP MONDAY THRU SATURDAY! LIFETIME WARRANTY Average co2 refill in paintball stores or sporting goods store is from $ 4.00 to $5.00 With our adapter you can use an standard co2 paintball tank for instant savings Easy to use- Easy to install-VIDEO AVAILABLE STAINLESS STEEL