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