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
MullionExposed
Miami DadeNo
SightproofNo