Frame opening a36"
Rough opening dia.36 1/2"
Frame opening width36"
Damper finishMill Finish
Overall width39"
CounterbalancedYes
Closure typeGravity
Blade materialAluminum
Frame material thickness4/5"
Rough opening width36 1/2"
Mounting hole di.1/4"
Airflow directionHorizontal
Blade orientationParallel Blades
Max. air velocity2500 FPM
Blade material thickness26 ga.
Bushing materialStainless Steel
Frame less flange36
Overall height39"
Single acting/double actingSingle Acting
IncludedPrepunched Mounting Holes
For use withVertical Mounted Exhaust Fans
Shutter mounting positionVertical
Frame opening height36"
Shutter mounting locationWall
Opening typeGravity
Damper applicationBackdraft
Blade typeFlat Blade
Blade seal materialFelt
Rough opening length36 1/2"
Rough opening shapeSquare
Frame opening b36"
Flange typeFront Flange
Damper typeStatic
Overall dia.39"
Max. pressure1 in. wc
Tie rod materialGalvanized Steel Frame And Tie Rods
SeriesEASR Series
Mounting hole dia.1/4"
Min. ambient temp.-40°F
Closure velocity rating2500 FPM
Free area7.4 sq. ft.
Mounting positionVertical
ActionSingle Acting
Mounting locationWall
Rod finishGalvanized
Frame materialAluminum
No. of panels1
Max. velocity2500 FPM
Switch actionNormally Closed
Max. ambient temp.180°F
Flange width1 1/2"
Frame depth3"
TypeGravity Operated Single Panel
Fits fan dia.36"
Overall square39"
Open depth5 3/4"