You save up to 80% on the cost of the nitrogen or oxygen compared to buying in nitrogen in bulk  Payback is usually under 18 months, and the product has a typical lifetime of over 10 years  A constant supply is ensured: you never have to worry about a delivery not getting to you in time again  Save space & minimize risk and handling errors: no need for gas bottles/liquid nitrogen tank in the yard  Simplify administration to save time & money with no weekly deliveries to manage  Very low running costs: uses your compressed air supply high purity levels Up to 99.999% purity