Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Balancing / Regulating Dampers - Remote Control Bowden Cable System: Model:BO-RI Round Single Blade Damper APPLICATION The Model BO-RI was developed for air balancing at the mid/duct above inaccessible ceilings with Mechanical Push-Pull adjustments at a terminal controller. BO-RI DOCUMENTS - Submittal Sheet - Bowden Cable System Controllers - Bowden Cable System Installation - BO-RI BIM (REVIT) 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