2 Hunter 30920 Air Purifier Filters. Fits Hunter Models: 30050, 30055, 30065, 37065, 30075, 30080 & 30177. Designed & Engineered by Crucial Air. This is a generic product designed and engineered in the United States by Crucial Air. This is not a Hunter OEM product and is not covered under any Hunter manufacturer's warranty. Please check your manufacturers 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 Hunter product. Any use of Crucial Air non-OEM products in your Hunter product is done at your own risk. The Hunter brand names and logos are the registered trademarks of their respective owners. Any use of the Hunter brand name or model designation for this product is made solely for purposes of demonstrating compatibility.