GASCO Helium 50% Balance Nitrogen  contained in a 105 Liter ecosmart Aluminum Cylinder, Cylinder Connection C-10, Calibration Certificate NIST, Made in the USA

Our Calibration Gas Products are only available for business customers with verifiable business/commercial use applications. Since they are pressurized cylinders and considered Hazardous Material, orders can only be shipped to a confirmed Business / University address. Please provide your Business name and a commercial shipping address on your order. All orders will be reviewed before they are approved for shipment. Cal Gas Direct Incorporated reserves the right to cancel orders at its discretion.