Broan Nutone Hood Range 30 inch Filter. This filter fits 30-Inch QS1 & WS1. Compare to Part # BPS1FA30. This is a generic product designed and engineered in the United States by Crucial Air. This is not a Nutone® OEM product and is not covered under any Nutone® manufacturer's warranty. Please check your manufacturer’s warranty with regard to the use of non-OEM parts. Crucial Air provides no warranty or guarantee with regard to the product or its compatibility with your Nutone® product. Any use of Crucial Air non-OEM products in your Nutone® product is done at your own risk. The Nutone® brand names and logos are the registered trademarks of their respective owners. Any use of the Nutone® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.