2 Hunter 30973 Air Purifier Filters. Filter Fits Hunter 30890 & 30895 Models. Compare to Part # 30973. Essential for Allergy Sufferers. Designed & Engineered by Crucial Air. This is not a Hunter OEM product and is not covered under any Hunter manufacturer's warranty. 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.