Green Air Supply manufactures the finest Nitrogen Separators on the market. If your business is using nitrogen in any part of the draft dispense, you can benefit from having our system. Beer, coffee, wine, cocktails. Anything you want to dispense from a draft faucet, we can help with. The benefits of having an endless supply of locally harvested, ultra pure nitrogen are numerous. No cylinders to change, zero beverage waste, wonderful customer service, and a system that will help you Push for the Perfect Pour!