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