Attributes

Key Value
Damper Depth13 5/8 in
Damper Dia.3 7/8 in
Damper ItemFire Damper
Damper ShapeRound
Fire Rated1 1/2 hr
Fits Fan DiameterNot Applicable
Flange WidthNot Applicable
For Nominal Duct Diamet.4 in
For Use WithLow Pressure HVAC Syste.
Frame Depth14 in
Free Area0.1 sq ft
IncludesStainless Steel Closure.
ItemFire Damper
Material20 ga Galvanized Steel
Mounting TypeDynamic, Vertical or Ho.
Nominal Duct Dia.4 in
Overall Diameter3 7/8 in
Overall HeightNot Applicable
Overall Length14 in
Overall WidthNot Applicable
Rough Opening Diameter4 in
Rough Opening LengthNot Applicable
Rough Opening Width4 in
ShapeRound
prev