Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
TSI Alnor 800697 Zero calibration gas (air) for CO2 or CO calibration, 103 liter cylinder. UPS considers all pressurized tanks and some other products as hazardous materials, and adds $28.50 fee for shipping them. Please note the $28.50 HAZ MAT fee has been added to the price of this product.