Triangle Wall Mounted Intake Gravity Damper Double Panel Shutter 61 inch w/ Pull Chain RIWSD54

Triangle Engineering 61 inch Wall Mounted Intake Gravity Damper Double Panel Shutter w/ Pull Chain RIWSD54-IWS255
Triangle Engineering
Build Time:
7 to 10 Business Days ?
Ships By:

Build Time

The product Build Time you see represented on this site is only a typical number of days the manufacturer states it needs to build the product(s) when ordered. Build times are based on business days (excludes weekends & holidays).

The build time does not include the time it will take to ship the order to you (the customer). If an order has multiple items and comes from multiple warehouses, you may receive part of your order on one day, and then receive the remaining part(s) of your order at a later date.

*Please be aware that seasonal demand of certain equipment may cause build times to run longer than what is typical.

Only $860.66
Quantity Unit Price You Save
3-5 4%
6+ 7%

NOTE: Triangle Engineering Exhaust & Intake Shutters are Non-Returnable.


Double Panel Supply Shutter 
Welded Galvanized Steel Frame 
Bronze Pivot Bushings 
Extruded Aluminum Blades 
Bronze finish, Polyester Powder Coated Frame 

Pull chain Included:


Outside Dimension: 63-3/8" square

Inside Dimension: 61" square

Depth: 4"

Please Note:

Supply shutters must be fully opened before starting fan. Requires mechanical operation.

Model No.:
Dampers, Shutters & Weather Hoods
Dimension Inches:
Width: 63-3/8" Depth: 4" Height: 63-3/8"
Weight lbs.:
Notice: Manufacturer's products features and specifications are subject to change without notice.
California Residents: warning WARNING- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit


Ask a Question
  • Does this have a screen to keep bugs out i am looking for any odd ball size i would like to take out a double window to put a intake louver the size i have is 67.5 tall x 58 wide so i would need two at that size to fill the opening

    This shutter does not have any screening on it.