Intermatic RC6F 1-1/2-Inch Air Button 150-Foot Range, Color;

This air button is designed to fit through a 15/8 inch diameter hole in fiberglass, metal or wood materials, up to 3/4 inch thick, where the back of the mounting surface is accessible during installation. Because of its low profile, it is the perfect choice for both the vertical and horizontal mounting arrangements. it will operate any Intermatic relay type air control up to 150 feet away.Air Tubing, pulse Switch, and a relay are Sold Separately.