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