Linear slot diffusers and flush mount supply and returns

Linear Slot Diffusers Shop 36 Linear Slot Diffuser - 1 Slot Single Slot - Black Decorative Air Vent

So a Linear Slot Diffuser is an AC Vent Cover that is long and skinny and diffuses the air by manipulating the blades

linear slot diffuser cfm chart HVAC Return Air Duct Vent Installation Dave & Wini DIY Projects 6600 Series: 6610 12-1

linear slot diffuser installation detail The linear slot diffuser has ideal cooling performance for near-window applications, and is used for ventilation by utilizing the coandă