Calibration gas is a non-flammable class 2.2 substance and as such is considered hazardous (hazmat) materials for shipping purposes because it is delivered in a compressed cylinder. An additional fee is charged by all carriers for hazardous materials. Pricing is as follows:

Domestic ground (excluding AK and HI) hazardous materials fee is an additional $20.00 and domestic air freight the additional fee is $30.00. This is per box that contains hazardous materials and typically only charged once per order. When you order multiple tanks that all fit in one box the additional hazardous fees charged over the web will be refunded.

Hazardous materials cannot go US mail.

For international shipments please call for a rate quote.