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 Drop Plenum Diffusers Balancing / Regulating Dampers UV Products Iris Dampers 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