Ventilation
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42 in 45"H-W 5.75"L Aluminum Backdraft Damper, 42-1-2 in x 42-1-2 in, Aluminum 3C311
Dayton
MSRP: $332.77$307.4245 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2 in,...MSRP: $332.77$307.42Qty in Cart: 0Quantity:Price:MSRP: $332.77$307.42Subtotal: -
42 in 45"H-W 6.5"L Extrd Alu Backdraft Dampr, 42-1-2 in x 42-1-2 in, Aluminum 4FZJ1
Dayton
MSRP: $570.12$526.6945 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 3250 fpm, Overall Height 45 in, Rough Opening Diameter 42 1/2 in,...MSRP: $570.12$526.69Qty in Cart: 0Quantity:Price:MSRP: $570.12$526.69Subtotal: -
48 in 50.75"H-W 4.5"L Alu Intake Shutter Dampr, 49 in x 49 in, Aluminum 4YN19
Dayton
MSRP: $686.91$634.5850.75 In.H-W 4.5 In.L Alu Intake Shutter Dampr, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 50 3/4 in, Rough Opening Diameter 49 in, Rough Opening Shape Square, Fits...MSRP: $686.91$634.58Qty in Cart: 0Quantity:Price:MSRP: $686.91$634.58Subtotal: -
48 in 51"H-W 5.75"L Alu Wall Exhaust Shutter, 48-1-2 in x 48-1-2 in, Aluminum 2FTX3
Dayton
MSRP: $518.63$479.1251 In.H-W 5.75 In.L Alu Wall Exhaust Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2 in,...MSRP: $518.63$479.12Qty in Cart: 0Quantity:Price:MSRP: $518.63$479.12Subtotal: -
48 in 51"H-W 5.75"L Alu Wall Vent Shutter, 48-1-2 in x 48-1-2 in, Aluminum 1C211
Dayton
MSRP: $587.70$542.9351 In.H-W 5.75 In.L Alu Wall Vent Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2 in,...MSRP: $587.70$542.93Qty in Cart: 0Quantity:Price:MSRP: $587.70$542.93Subtotal: -
48 in 51"H-W 5.75"L Aluminum Backdraft Damper, 48-1-2 in x 48-1-2 in, Aluminum 3C312
Dayton
MSRP: $547.52$505.8051 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2 in,...MSRP: $547.52$505.80Qty in Cart: 0Quantity:Price:MSRP: $547.52$505.80Subtotal: -
48 in 51"H-W 6.5"L Extrd Alu Backdraft Dampr, 48-1-2 in x 48-1-2 in, Aluminum 4FZJ2
Dayton
MSRP: $812.49$750.5951 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 3250 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2 in,...MSRP: $812.49$750.59Qty in Cart: 0Quantity:Price:MSRP: $812.49$750.59Subtotal: -
48 in 54"H-W 5.75"L Aluminum Exhaust Shutter, 51-1-2 in x 51-1-2 in, Aluminum 45C667
Dayton
MSRP: $580.17$535.9754 In.H-W 5.75 In.L Aluminum Exhaust Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 54 in, Rough Opening Diameter 51 1/2 in,...MSRP: $580.17$535.97Qty in Cart: 0Quantity:Price:MSRP: $580.17$535.97Subtotal: -
48 in 54"H-W 5.75"L Aluminum Wall Fan Shutter, 51-1-2 in x 51-1-2 in, Aluminum 53DR19
Dayton
MSRP: $470.91$435.0454 In.H-W 5.75 In.L Aluminum Wall Fan Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 54 in, Rough Opening Diameter 51 1/2 in,...MSRP: $470.91$435.04Qty in Cart: 0Quantity:Price:MSRP: $470.91$435.04Subtotal: -
48 in 54"H-W 5.75"L Aluminum Wall Shutter, 51-1-2 in x 51-1-2 in, Aluminum 53DR15
Dayton
MSRP: $624.12$576.5754 In.H-W 5.75 In.L Aluminum Wall Shutter, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 54 in, Rough Opening Diameter 51 1/2 in, Rough...MSRP: $624.12$576.57Qty in Cart: 0Quantity:Price:MSRP: $624.12$576.57Subtotal: -
54 in 57"H-W 5 1-4"L Aluminum Backdraft Damper, 54-1-2 in x 54-1-2 in, Aluminum 3HHP1
Dayton
MSRP: $712.03$657.7857 In.H-W 5 1/4 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 57 in, Rough Opening Diameter 54 1/2 in,...MSRP: $712.03$657.78Qty in Cart: 0Quantity:Price:MSRP: $712.03$657.78Subtotal: -
54 in 57"H-W 5.75"L Aluminum Backdraft Damper, 54-1-2 in x 54-1-2 in, Aluminum 45C668
Dayton
MSRP: $722.07$667.0657 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 57 in, Rough Opening Diameter 54 1/2 in,...MSRP: $722.07$667.06Qty in Cart: 0Quantity:Price:MSRP: $722.07$667.06Subtotal: