Praxair, Inc. is notifying packaged industrial, specialty, medical gas and bulk gas customers in the United States, Canada and Puerto Rico of price increases.

Effective June 1, 2015, or as contracts permit, the increases are as follows:

Up to 15% for nitrogen, oxygen and carbon dioxide

Up to 20% for argon and hydrogen

Up to 15% for facility fees or cylinder rental rates

Up to 5% on hardgoods

Price adjustments may be higher or lower in accordance with individual contract provisions.

These adjustments are in response to rising operational costs for all products and will support capacity expansion and infrastructure reinvestment.