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Louver Damper, Adjustable, 18H x 18W

  • Mfr # 20UA21

  • Zoro # G8485662


product price: $517.99
/ea
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Key Features

Louver Type
Combination
Min. Wall Opening (In.)
18H x 18W
Max. Velocity (FPM)
3,000 fpm
Louver Material
Extruded Aluminum
Inside Height (In.)
12 in
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Specifications

Product Information

MFR #
20UA21
Zoro #
G8485662
UPC #
190735154519
Country of Origin
United States

Dimensions

Inside Height (In.)
12 in
Intake Louver Inside Width
15 in
Outside Width (In.)
20 1/2 in
Intake Louver Outside Height
20 1/2 in
Flange Width (In.)
1 1/2 in
Outside Height
17 1/2 in
Outside Width
17 1/2 in
Rough Opening Height
18 in
Rough Opening Width
18 in
Inside Height
16 1/2 in
Flange Width
1 1/2 in
Inside Width
15 3/4 in

Details

Louver Type
Combination
Min. Wall Opening (In.)
18H x 18W
Max. Velocity (FPM)
3,000 fpm
Louver Material
Extruded Aluminum
Item
21"H 21"W Drnbl Extrd Alu Combo Dmpr
Louver Max. Exhaust
1,114 cfm
Blade Angle (Deg.)
45/90
Louver Max. Intake
779 cfm
Number of Blades
3
Louver Free Area
0.521 sq ft
Louver Item
Combination Louver Damper
For Use With
Intake or Exhaust Applications
Includes
Bird Screen
Louver Maximum Intake
779 cfm
Free Area
0.7 sq ft
Frame Type
Flanged
Beginning Point of Water Penetration
1,118 fpm
Material
Aluminum
Maximum Exhaust
1,114 cfm
Finish
Mill
Blade Angle
45 Degrees
Maximum Air Velocity
3,000 fpm
Intake or Exhaust Application
Exhaust, Intake
Adjustable Blades
Yes
Blade Type
Drainable

Description

21 In.H 21 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 17 1/2 in, Outside Width 17 1/2 in, Rough Opening Height 18 in, Rough Opening Width 18 in, Louver Maximum Intake 779 cfm, Maximum Exhaust 1,114 cfm, Flange Width 1 1/2 in, Free Area 0.7 sq ft, Beginning Point of Water Penetration 1,118 fpm, Maximum Air Velocity 3,000 fpm, Blade Angle 45 Degrees , Material Aluminum, Inside Height 16 1/2 in, Inside Width 15 3/4 in, Number of Blades 3

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