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21 In.H 21 In.W Drnbl Extrd Alu Combo Dmpr Louver Type Combination Frame Type Flanged Outside Height 20 1/2 in Outside Width 20 1/2 in Rough Opening Height 21 in Rough Opening Width 21 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
Mfr 20UA21
| Item Reference | 20UA21 |
|---|---|
| Brand | DAYTON |
| Weight (lb) | 15.76 |
| Length (in) | 22.6 |
| Width (in) | 7.9 |
| Height (in) | 23.1 |
| Harmonization Code | 7610900050 |
| Country of Origin | United States |