2FTW1 9/32 x 1/2" Mill Finish Aluminum 3" 42-1/2 x 42-1/2" Gravity Operated, Double Panel - 10.253 Square-Ft. Backdraft Damper / Wall Shutter, Front Flange SGD 569.72
2FTW6 9/32 x 1/2" Mill Finish Aluminum 3" 24-1/2 x 24-1/2" Gravity Operated, Single Panel - 3.320 Square-Ft. Backdraft Damper / Wall Shutter, Front Flange SGD 240.88
2FTW7 9/32 x 1/2" Mill Finish Aluminum 3" 36-1/2 x 36-1/2" Gravity Operated, Single Panel - 7.436 Square-Ft. Backdraft Damper / Wall Shutter, Front Flange SGD 390.37
2FTX1 9/32 x 1/2" Mill Finish Aluminum 3" 30-1/2 x 30-1/2" Gravity Operated, Single Panel - 5.452 Square-Ft. Backdraft Damper / Wall Shutter, Front Flange SGD 290.74
2FTX3 9/32 x 1/2" Mill Finish Aluminum 3" 48-1/2 x 48-1/2" Gravity Operated, Double Panel - 12.924 Square-Ft. Backdraft Damper / Wall Shutter, Front Flange SGD 655.97
2FTX7 9/32 x 1/2" Mill Finish Aluminum 3" 39-1/2 H x 39-1/2 W Gravity Operated, Single Panel - 8.995 Square-Ft. Agricultural Wall Exhaust Shutter SGD 384.75
3HHN4 9/32 x 1/2" Mill Finish Aluminum 3" 10-1/2 x 10-1/2" Gravity Operated, Single Panel - 0.645 Square-Ft. Backdraft Damper / Wall Shutter, Front Flange SGD 122.83