- Counter balanced blades allow the shutter to be mounted vertically to 45 degrees and has flanged ends for added weather protection
- Ideal for direct-drive or belt-driven exhaust fans
- Do not use with vane axial or tube axial fans.
Made in the usaWeights & dimensions
- Depth 3 in
- Max pressure in w.G. 1 in
- Rough opening 48-1/2 x 48-1/2 in
- Width 51 in
- Inside height 48 in
- Height 51 in
- Max velocity (per minute) 2500 ft/min
- Inside width 48 in
Product details
- Flange style Rear flange
- Mounting position Vertical
- Type Gravity shutters
- Brand Air conditioning products
- Material Aluminum/galvanized steel
- Finish Mill finish
- Manufacturers part number 556-std-48
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