Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Ventilators - Louvered Penthouses: Model:PFL-D-6.1 6" Deep, Drainable, Extruded Aluminum APPLICATION The Model PFL-D-6.1 is a high performance penthouse consisting of 6" deep fixed drainable extruded aluminum louvers. PFL-D-6.1 DOCUMENTS - Submittal Sheet - PFL-D-6.1 BIM (REVIT) UV Products Iris Dampers Drop Plenum Diffusers Balancing / Regulating 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