Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Louvers - Fixed Louvers: Model:D-HFA-6 High Performance 6" Fixed Louver APPLICATION D-HFA-6 resists water intrusion while providing an extremely high free area and low pressure drop. D-HFA-6 DOCUMENTS - Submittal Sheet - D-HFA-6 CAD DETAIL - CSI 3-PART SPEC. - D-HFA-6 BIM (REVIT) - Louver Shapes - Louver Details - Equipment Screen Support System - Louver Color Selector - Louver Installation Instructions - Effects of Birdscreen 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