Flowline™ diffuser assuring proper dimensional layouts for simple diffuser installation. Nailor Linear Diffusers and Bar Grilles are engineered and designed to satisfy high performance applications that require an aesthetically pleasing design. Mitered Corner for Flowbar Diffusers. Choose an option, 96" Long x 1 1" slot. Flowline High Capacity Linear Slot Diffuser · Model 35SST VAV · External Louvre A member of the Nailor Industries International group. The Flowline™ FLV Series continuous slot diffuser is designed for both ceiling and high sidewall applications and provides total air pattern control flexibility. Stocked Sizes. FBMC. Flow Cross for Flowbar Diffusers. Flowline Diffuser Vertical. FBP Architectural Linear Diffuser, Aluminum, 1" Slot. FlowLine is a custom architectural linear slot diffuser system designed to integrate supply and return air openings into interior commercial buildings. FlowLine is a custom architectural linear slot diffuser system designed to integrate supply and return air openings into interior commercial buildings. Call Now To Order. FL-TZ. © Advanced Air (UK). The Flowline™ FLV Series continuous slot diffuser is designed for. Architectural Slot. Nailor Linear Diffusers and Bar Grilles are engineered and designed to satisfy high performance applications that require an aesthetically pleasing design. Clear. . Categories: Air Distribution, Linear Diffusers SKU.