Airstream Sliding Rod Single Point Metal Guide Window Adjustment Arm 1969-1974 sovereign The meter responds to the

The meter responds to the VOC quantity in the sample

Effective Area 9

Amplifier -- 125 Watts RMS

The lens also uses a variable maximum aperture of f/4-5

Airstream Sliding Rod Single Point Metal Guide Window Adjustment Arm 1969-1974 sovereign The meter responds to theGuide arms that allow you to set how much the window is open. Some windows used a clip that locked the rod in place, while others had a threaded end with a cap nut. Please be sure to pick the correct one for your trailer. Solid metal Nut included on threaded arms (mostly after 1973) Clip not included with non threaded arms (mostly prior to 1973) Original vintage part Fits Airstreams from 1969 1974