Maxitrol's TS144 Dischrgairsenmin40-80Max80-140 system allows for air discharge between 40 and 80 units, with a maximum of 80 to 140 units. This technology provides precise control and regulation of air flow, making it perfect for a variety of applications where maintaining specified air pressure levels is vital. https://www.partshnc.com/ts144-maxitrol-dischrgairsenmin40-80max80-140