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