Louver Damper, Adjustable, 18H x 18W

Mfr # 20UA21
Zoro # G8485662

$466.99

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Key Features

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

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Brand Dayton
MFR # 20UA21
Zoro # G8485662
UPC #
190735154519
Country of Origin United States
Category Intake Louvers

Dimensions

Intake Louver Inside Width	15 in
Intake Louver Outside Height	20 1/2 in
Inside Height (In.)	12 in
Outside Width (In.)	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

Item	21"H 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
Blade Angle (Deg.)	45/90
Number of Blades	3
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
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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Louver Damper, Adjustable, 18H x 18W

Mfr # 20UA21

Zoro # G8485662

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