High Volume Step Down Diffusers Provides High Air Volume Delivery in a Four-way Diffusion Pattern.
High Volume Step Down Diffusers are made from all steel construction with R6 rated fiberglass insulation for lasting durability. Square outlet diffusers feature a drop-down core for high volume capacity. Air outlet diffuser includes a white plastic plug that covers center opening. The frame has adjustable fastening clips that adapt to different thickness and comes with hardware for easy installation easy. Aluminum electrostatically coated white for a hard finish. Available models are Lay-In Air Diffuser and Step Down Diffuser for T-Bar Lay-In. Dimensions vary per model.