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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
mongo_id: 65bbe8919a749db82279b75d
Overall Length 50 mm
mongo_id: 65bbe8ef22d7a989a992547f
mongo_id: 65bbe6893aaddbd5a90383f7
Sign Legend Style Text graingerSKU: 472R52
Louver Damper, Adjustable, 18H x 48W DESCRIPTION_UPDATE mongo_id: 65bbe8919a749db82279b75d20. 5 In. H 50. 5 In. W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 17 1 2 in, Outside Width 47 1 2 in, Rough Opening Height 18 in, Rough Opening Width 48 in, Louver Maximum Intake 2,337 cfm, Maximum Exhaust 3,341 cfm, Flange Width 1 1 2 in, Free Area 2. 1 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
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