30"x16" OPPSD DAMPER EXT LEFT

40"x14" OPPSD DAMPER EXT LEFT

6"x12" PARALLEL BLD EXT LEFT

6"x16" PARALLEL BLD EXT LEFT

8"x18" PARALLEL BLD EXT LEFT

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