Louver Damper, Adjustable, 18H x 18W - 20UA21
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Dayton
Louver Damper, Adjustable, 18H x 18W - 20UA21
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
- Country of Origin:
- United States
- Item:
- 21H 21"W Drnbl Extrd Alu Combo Dmpr"
- Louver Item:
- Combination Louver Damper
- Louver Type:
- Combination
- Louver Free Area:
- 0.521 sq ft
- Min. Wall Opening (In.):
- 18H x 18W
- For Use With:
- Intake or Exhaust Applications
- Louver Max. Intake:
- 779 cfm
- Louver Max. Exhaust:
- 1,114 cfm
- Louver Material:
- Extruded Aluminum
- Intake Louver Inside Width:
- 15 in
- Intake Louver Outside Height:
- 20 1/2 in
- Inside Height (In.):
- 12 in
- Blade Angle (Deg.):
- 45/90
- Number of Blades:
- 3
- Outside Width (In.):
- 20 1/2 in
- Flange Width (In.):
- 1 1/2 in
- Max. Velocity (FPM):
- 3,000 fpm
- 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
- Outside Height:
- 17 1/2 in
- Outside Width:
- 17 1/2 in
- Rough Opening Height:
- 18 in
- Maximum Exhaust:
- 1,114 cfm
- Finish:
- Mill
- Blade Angle:
- 45 Degrees
- Rough Opening Width:
- 18 in
- Inside Height:
- 16 1/2 in
- Maximum Air Velocity:
- 3,000 fpm
- Flange Width:
- 1 1/2 in
- Inside Width:
- 15 3/4 in
- Intake or Exhaust Application:
- Exhaust, Intake
- Adjustable Blades:
- Yes
- Blade Type:
- Drainable
- Package Quantity:
- 1
