#CAPTION# #CAPTION-Mobile# #DOWNLOADTYPE# Download #DownloadDropDown# #file-path# #caption# Home / Reliable Architectural Louvers & Grilles / Combination Louvers Reliable Architectural Louvers & Grilles -Automatic Intake Dual Combination Louver Damper: 445RBIDDOWNLOADSThe 445RBID features:All aluminum construction for low maintenance and high resistance to corrosionCategory: adjustable louvers | exterior louvers | louvers...MasterFormat: Louvers and Vents | Operable Wall Louvers | Fixed Louvers...View Product Details From Manufacturer Reliable Architectural Louvers & Grilles1300 Enterprise RoadP.O. Box 580Geneva, AL 36340 Tel: (800) 624-3914 Fax: (800) 508-1469tj.adubi@reliablelouvers.comhttps://www.reliablelouvers.com/Find a rep/distributorRequest More Info DOWNLOADS Related Products Overview Automatic Intake Dual Combination Louver Damper: 445RBIDThe 445RBID features:All aluminum construction for low maintenance and high resistance to corrosionApproximately 40% free area with backdraft damper blades full open, based on a 48" x 48" (1219 x 1219) sizeOperable blades start to open at .16" w.g. static pressure and are fully open at .25" w.g. static pressure4" deep baffle blade louver with back draft damper combinationDamper for intake applicationSee More See Less Downloads