Linemaster Switch Corporation's new air foot switches were developed for reliable operation in a variety of environments and to conform with UL standards. Wet or Dry the Air Foot Switches protect critical and costly electrical components. Models include the Air-Seal, Vanguard and Hand Bulb. Air impulse bulbs are positioned on the floor while the electromechanical actuator is safely elevated and protected. Premier and Dolphin Air Foot Switches are available on special order.