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