18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in

  • Dayton
  • 21 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 1, Maximum Air Velocity 2500 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Not Applicable, Free Area 2 sq ft, Overall Width 21 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

    graingerSKU: 4C558, mscSKU: , zoro_no: G3216062, mongo_id: 65bbe8479a749db8227827da

Web Price
$94.99 / each
Qty

Product Details

Not Applicable
Horizontal
Aluminum Blade w/ Felt Seal
Aluminum
26 ga
Parallel Blades
Felt
Flat Blade
Stainless Steel
Gravity
2,500 fpm
White
Not Applicable
Yes
United States
Backdraft
Mill Finish
Static
18 in
18 in
Rear Flange
1 1/2 in
Not Applicable
Not Applicable
Not Applicable
Vertical Mounted Exhaust Fans
2 1/2 in
18
Aluminum
0.8 in
18 in
18 in
18 in
18 in
2 sq ft
Not Applicable
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
2500 FPM
2500 fpm
180 Degrees F
1 in wc
-40 Degrees F
1/4 in
Prepunched
Vertical
1
5 3/4 in
Gravity
21 in
21 in
5 3/4 in
21 in
1
Not Applicable
18 1/2 in
18 1/2 in x 18.5 in
18 1/2 in
Square
18.5 in
Not Applicable
EAS
Extruded Aluminum Frame and G-90 Galvanized Tie Rods
2.043 sq ft
Backdraft Damper / Wall Shutter
Wall
Vertical
18-1/2 in x 18-1/2 in
21 in x 21 in
23
Single Acting
Normally Closed
Galvanized Steel Frame and Tie Rods

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