How do I access the W-9 Form?

You can access the current W9 forms for either Praxair Distribution Inc. or Linde Gases US by clicking the appropriate button below. Praxair Distribution Inc. W-9 Form Linde Gases US W-9 Form

Can we buy a non-standard calibration gas mixture?

Call the PortaGas office at 1-800-548-2268 and speak with a Customer Service Technical Representative for product review and availability.