Attic Noise Suppressor – Medium


  • Before you buy, make sure you take precise measurements to ensure the perfect fit.
  • Check out the video below to help select a noise suppressor, or click here to watch us install an indoor noise suppressor.
  • Dimensions: 7.5 inches wide by 17.25 inches tall
  • Connection: 6×4-inch PVC with 6×4-inch rubber coupler
  • For use with 4-inch schedule 40 PVC. Note that 4-inch, schedule 40 PVC has an inside diameter of 4 inches and an outside diameter of 4.5 inches.
  • Additional reducers and adapters may be required to make this noise suppressor work with your radon mitigation system.
  • Install the noise suppressor directly above your radon fan.
  • Shipping to the continental U.S. is included in the price.

Note: Our noise suppressors are constructed from schedule 40 PVC, which may display imperfections such as scuffs or marks incurred during the molding, grinding, and shipping process.

Return Policy:

Items may be returned in new, unused, and resalable condition within 30 days of the purchase date. A 20% restocking fee will be deducted from all refunds, and return shipping costs are the buyer’s responsibility. Please contact American Radon Mitigation to initiate a return process.