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18 In.H 16 In.W Non-Drnbl GSteel Intake Louver Louver Type Stationary Blade Frame Type Flanged Frame Depth 4 in Mounting Style Surface Mount Outside Height 18 in Outside Width 16 in Rough Opening Height 14 in Rough Opening Width 12 in Louver Maximum Intake 616 cfm Maximum Exhaust 875 cfm Maximum Outside Width 22 in Minimum Outside Width 16 in Flange Width 2 in Free Area 0.6 sq ft Beginning Point of Water Penetration 766 fpm Maximum Air Velocity 3000 fpm Blade Angle 45 Degrees
Mfr 4F421
| Item Reference | 4F421 |
|---|---|
| Brand | DAYTON |
| Weight (lb) | 11.1 |
| Length (in) | 17.9 |
| Width (in) | 4.8 |
| Height (in) | 19.4 |
| Harmonization Code | 7308909590 |
| Country of Origin | United States |