Butterfly Dampers, Guillotine Dampers, Multi Louver Damper, Variable Inlet Vane Dampers, Flow Control Gate, Illustration 1 Sleeve Brush, Illustration 2 Stuffing Box Option, Illustration 3 Ball Bearing To 300 Degree F, Motorised Multilouver Dampers With Direct Mounted Actuator, Opposed Blade Damper, Parallel Blade Damper