Dayton

Mount on outside wall to maintain airflow while protecting intake and exhaust openings from weather. Drainable aluminum frame has both fixed and TPV-sealed pivoting louvers for weathertight closure. Includes removable 1/2" flattened birdscreen mounted on interior. Manual open and close; optional motor kit sold separately.<br /><br /> Item: Combination Louver Damper<br /> Louver Type: Drainable<br /> Louver Max. Exhaust: 2475 cfm<br /> Louver Max. Intake: 1724 cfm<br /> Intake Louver Outside Height: 29-1/2"<br /> Intake Louver Inside Width: 27"<br /> Louver Free Area: 2.203 sq. ft.<br /> Louver Material: Aluminum<br /> Louver Item: Combination Louver Damper<br /> Min. Wall Opening (In.): 30H x 30W<br /> Flange Width (In.): 1-1/4<br /> Number of Blades: 6<br /> Inside Height (In.): 24<br /> Max. Velocity (FPM): 3000<br /> Outside Width (In.): 29-1/2<br /> Blade Angle (Deg.): 45/90<br /> For Use With: Intake or Exhaust Applications<br /> Includes: Bird Screen and Screen Fasteners

Combination Louver Damper, Drainable, Louver Max. Exhaust 2,475 cfm, Louver Max. Intake 1,724 cfm, Intake Louver Outside Height 29 1/2 in, Intake Louver Inside Width 27 in, Louver Free Area 2.203 sq ft, Louver Material Aluminum, Min. Wall Opening (In.) 30H x 30W, Flange Width (In.) 1 1/4 in, Number of Blades 6, Inside Height (In.) 24 in, Max. Velocity (FPM) 3,000 fpm, Outside Width (In.) 29 1/2 in, Blade Angle (Deg.) 45/90, For Use With Intake or Exhaust Applications