Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Dampers - Rectangular Dampers: Model:MD-106 Parallel Blade, Balancing, Extr. Alum. up to 3" wg APPLICATION Extruded Aluminum Manual Balancing Damper with parallel blade action. MD-106 DOCUMENTS - Submittal Sheet - Jackshafting - Installation & Maintenance - O & M Instruction Sheet - MD-106 BIM (REVIT) - Actuator Sizing Chart Balancing / Regulating Dampers UV Products Iris Dampers Drop Plenum Diffusers Louvers Dampers UL Listed Dampers Roof Curbs and Rails Sunshades Architectural Grilles Ventilators Doors Actuators Fans Air Measuring Products VAV Terminals Security Bars & Grilles Plenums Duct Take-Offs Custom Work Manufacturer Cross Referencing System View Now Previous Next