Traditional incandescent lighting illuminates around the perimeter of the dial

Know Your Exact Blower Pressure With Autometers Ultra-Precise Bourdon Tube Meter Movement, The Standard For Accuracy And Durability In The Industry For Generations. A Simple 1/8" Npt Pressure Connection Requires No Electrical Hookup For Operation. An Optional Blower Memory Kit Provides A One Way Check Valve For Peak Recall After Your Run.