Air Dimensions Inc. founded in 1971 on the principal of providing our customers with the highest quality diaphragm pumps in the industry along with superior customer service. ADIs Dia-Vac® vacuum pumps have a proven tra......Air Dimensions Inc. founded in 1971 on the principal of providing our customers with the highest quality diaphragm pumps in the industry along with superior customer service. ADIs Dia-Vac® vacuum pumps have a proven track record of long life under the most adverse operating conditions. Today you will find our Dia-Vac® diaphragm pumps within the utility, refinery, chemical processing, pharmaceutical, pulp and paper, mining, medical, automotive, government, environmental and emission monitoring industries to name a few. Our customer range spans the globe from large fortune 500 companies to small start up OEM integrating firms. ADIs gaseous sampling pumps are designed for long life and continuous operation with minimal maintenance requirements. Our reputation for quality was established over the past 33 years through excellence in engineering, manufacturing as well as being extremely attentive to our customers needs.