Airolite louver type T9112 is a parallelogram blade acoustic louver designed to effectively prevent the transmission of high and low frequency sounds generated from mechanical equipment. In addition, the model can be used as an exterior weather louver.

Specifications Hide all

Beginning Point of Water Penetration 1,108 fpm (5.63 m/s)
Pressure Drop at Beginning Point of Water Penetration 0.11 in. wg (0.027kPa)
Test Standard AMCA Standard 500-L Water Penetration, Air Performance and Sound
Blade Angle 45°
Percent Free Area 21% (4 ft. x 4 ft.)
Louver Depth 12” (304.8 mm)


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