Systemair RSK4 Backdraft Damper, 4 in, 24 ga Steel, G90 Galvanized
Systemair RSK4 Backdraft Damper, 4 in, 24 ga Steel, G90 Galvanized

Systemair RSK4 Backdraft Damper, 4 in, 24 ga Steel, G90 Galvanized

Systemair RSK4 Backdraft Damper, 4 in, 24 ga Steel, G90 Galvanized

Brand: Systemair
Part #: 89445
Customer Part #:
Builders Best® Nemco 111381 Wide Mouth Dryer Vent Hood with Bird Guard, 4 in Dia, 11 in Tail, 5-3/4 in H
Builders Best® Nemco 111381 Wide Mouth Dryer Vent Hood with Bird Guard, 4 in Dia, 11 in Tail, 5-3/4 in H

Builders Best® Nemco 111381 Wide Mouth Dryer Vent Hood with Bird Guard, 4 in Dia, 11 in Tail, 5-3/4 in H

Brand: Builders Best®
Part #: 74122
CARLISLE® CCWI-181 304144 Water-Based Duct Sealant, 1 gal, Pail, White, Slight Ammonia
CARLISLE® CCWI-181 304144 Water-Based Duct Sealant, 1 gal, Pail, White, Slight Ammonia

CARLISLE® CCWI-181 304144 Water-Based Duct Sealant, 1 gal, Pail, White, Slight Ammonia

Brand: CARLISLE®
Part #: 93163
Gray Flex FC Series 4FC Connector Duct, 4 in, Aluminum
Gray Flex FC Series 4FC Connector Duct, 4 in, Aluminum

Gray Flex FC Series 4FC Connector Duct, 4 in, Aluminum

Brand: Gray Flex
Part #: 1259
Royce Company PL121208 Return Plenum Coffin Box, Metal
Royce Company PL121208 Return Plenum Coffin Box, Metal

Royce Company PL121208 Return Plenum Coffin Box, Metal

Brand: Royce Company
Part #: 93442
Gray Metal 406A Series 4-406A Saddle/Pipe Take-Off, 4 in
Gray Metal 406A Series 4-406A Saddle/Pipe Take-Off, 4 in

Gray Metal 406A Series 4-406A Saddle/Pipe Take-Off, 4 in

Brand: Gray Metal
Part #: 1550
Gray Flex R84SF, 4 in Duct, 25 ft Length, Polyester, R-Value: 8
Gray Flex R84SF, 4 in Duct, 25 ft Length, Polyester, R-Value: 8

Gray Flex R84SF, 4 in Duct, 25 ft Length, Polyester, R-Value: 8

Brand: Gray Flex
Part #: 1907
Finish      :      G90 Galvanized
Length      :      3-1/4 in
Material      :      24 ga Steel
Mounting Type      :      Vertical
Series      :      RSK
Size      :      4 in

Systemair Backdraft Damper, Series: RSK, 4 in Size, 24 ga Steel, G90 Galvanized, Vertical Mounting, 3-1/4 in L

  • The 2-blades are spring-loaded
  • Every damper is built with performance in mind
  • 3/32 in Dia brass central rod
  • Stainless steel torsion spring
  • EPBM synthetic rubber gasket