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