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Fantech 411112 - RSK 4 - Backdraft Damper, 4" Duct

Item: RSK 4
MFR: 411112
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RSK 4 Backdraft Damper

Backdraft damper for circular ducts, manufactured from galvanized sheet metal. The two blades are spring-loaded. Every damper is built with performance in mind. The damper can be mounted vertically.
  • Damper blades formed from aluminum H14
  • 3/32" diameter brass central rod
  • Stainless steel torsion spring
  • 24 Gauge, G90 galvanized steel casing
  • EPBM synthetic rubber gasket


NameFantech 411112 - RSK 4 - Backdraft Damper, 4" Duct
Gemaire Item NumberRSK 4
Manufacturer Product Number411112
SKU - PIM Number1366804231864
ERP Number27955
Unit of MeasureEA
Weight1.0 Pounds (Lb)
Length8.0 Inches (In)
Width7.0 Inches (In)
Height6.0 Inches (In)
Country of OriginUSA
Housing Diameter3 1/4"
Housing Dimensions3 1/4" x 4"
Housing FinishGalvanized
Housing Height4"
Housing MaterialGalvanized
CompositionGalvanized Steel
Duct Diameter4"
Duct Size4"
For Use WithMulti-purpose
GEM - Case Quantity


Parts List