Aluminium HVAC Diffusers, For Industrial Use, Capacity: 200 To 1000 Cfm

A�diffuser�is "a device for reducing the velocity and increasing the static pressure of a fluid passing through a system�.�Diffusers�are used to slow the fluid's velocity while increasing its static pressure. ... A typical, subsonic�diffuser�is a duct that increases in size in the direction of flow.