RID Series

Product Information

View Performance Data RID

Horizontal / Vertical Air Pattern

Fully Adjustable


PRICE RID heavy duty round cone ceiling diffusers feature a wide range of pattern adjustment. At the full vertical setting it provides a long downward projection for effective heating and cooling from high mounting locations.

Classified as an industrial ceiling diffuser, the RID is well suited to factories, warehouses, convention halls, shopping malls and other applications where ceilings are high and conditions are variable.

Features   Available Sizes
  • Heavy gauge spun steel construction.
  • Radial vanes adjust from full horizontal to full vertical pattern.
  • Ring operator allows adjustments with pole.
  • Deeply contoured outer cone helps prevent smudging.
  • Complete range of available accessory dampers, equalizing grids etc.
  • 10"(254) to 36" (914) nominal duct/neck.


White Powder Coat



Aluminum Powder Coat



For optional and special finishes
see color matrix.


    Product Selection Checklist

  1. Select Unit size based on specified inlet diameter.
  2. Select Outlet type by model number.
  3. Select Volume Control and or Mounting accessory, if desired.
  4. Select Wire Guard / Safety Chain accessories, if desired.
  5. Select Finish.

Example: 24" / RID / B12

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