The LINEMASTER SWITCH part 3B-30A2-S is a high-quality compact footswitch designed for easy and convenient access and control of air valves. With a durable construction and reliable performance, this footswitch is perfect for a wide range of applications that require precise control of air valves. Its compact size allows for effortless installation and use in tight spaces. Upgrade your air valve control with the LINEMASTER SWITCH part 3B-30A2-S Access Compact Airval Footswitch.