Product Overview
JSF Shutter Fan: features heavy-duty combination motor mounted/safety guard with bright easy-to-clean zinc-chromate finish. Rough openings needed are size + 5/8".
JSW Slantwall Fan: features galvanized box, Direct drive motors, except JSW36 and JSW50C are belt drive, wire mesh guard. JSW50C features cone for better performance. Rough openings needed are: 38"H x37"W for 30" unit, 42"H x 37"W for 36" unit, and 57"H x 55"W for 50" unit.