Air Dimensions Incorporated (ADI) has more than 40 years of experience in the development, engineering, and production of diaphragm pumps and compressors. Each of our durable Dia-Vac® pumps offer completely oil-free, contamination-free, and leak-free sampling capability. Incomparable quality, personal and reliable customer service, and expedited delivery make Air Dimensions Incorporated the leader in the diaphragm pump industry.