Nex Flowâ „ ¢ Air Products Corp. is a manufacturer of compressed air-operated products made to improve plant efficiency, improve energy efficiency, improve quality and enhance the environment. Our product line includes air blow-off products that reduce noise levels and compressed air use, and vortex tube technology using vortex tubes for spot cooling, control panel cooling, tool cooling and other unique applications. It also includes air operated conveying products and static control technology.