These replacement HEPA Filters by LifeSupplyUSA are compatible with a variety of Hunter Air Purifiers. This is a high quality replacement part by LifeSupplyUSA, exclusively for sale by LifeSupplyUSA. This filter is absolutely essential for allergy sufferers designed to filter smoke, dust, pet dander, pollen, mold pores, fabric and other allergen air borne elements. This is not an OEM product. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility.