LF 21A

Manufacturer: American Warming and Ventilating

4" Adjustable Louver with 33% Free Space

Louver Depth4"

DescriptionAdjustable Louver

Free Area5.28 sqft or 33%

Water Penetration923 fpm

Pressure Drop0.17 in w.g. at 923 fpm and 6932 scfm

Frame Material16 Gauge Galvanized Steel

Blades Material16 Gauge Galvanized Steel

Blade Angle45 degrees

Blade Spacing5"

Blade OrientationHorizontal

Screen OptionsBird Screen, Insect Screen


Miami DadeNo