8"x24" PARALLEL BLD EXT LEFT

10"x8" PARALLEL BLD EXT LEFT

Parallel Blade Damper, 16 Gauge Galvanized Frame, 3 V Style Blades, Acetal Bearings, 10" Width x 10" Height, External Left Hand Mount, Applications Where Leakage Is Not Important, Such as Return Air

12"x10" PARALLEL BLD EXT LEFT

Parallel Blade Damper, 16 Gauge Galvanized Frame, 3 V Style Blades, Acetal Bearings, 12" Width x 12" Height, External Left Hand Mount, Applications Where Leakage Is Not Important, Such as Return Air

14"x6" PARALLEL BLD EXT LEFT

Parallel Blade Damper, 16 Gauge Galvanized Frame, 3 V Style Blades, Acetal Bearings, 14" Width x 12" Height, External Left Hand Mount, Applications Where Leakage Is Not Important, Such as Return Air

Parallel Blade Damper, 16 Gauge Galvanized Frame, 3 V Style Blades, Acetal Bearings, 14" Width x 14" Height, External Left Hand Mount, Applications Where Leakage Is Not Important, Such as Return Air

16"x6" PARALLEL BLD EXT LEFT

16"x12" PARALLEL BLD EXT LEFT