Get relief from airborne allergens with the Holmes Twin Pack 99.97 Percent True HEPA Air Purification "D" Filter HAPF300DPDQ-U. It's appropriate for use anywhere you'd like fresher air such as in hospitals, homes and offices. It's compatible with the Holmes Allergen Remover models HAP706 and HAP716. This HEPA air purifier filter helps to eliminate allergens such as pollens, dust, dander and smoke, leaving fresh and clean air to breathe. It can remove up to 99.97 percent of airborne allergens as small as 0.3 microns from air passing through the filter, meaning it rids your home of some the smallest unwanted particles. This makes it a helpful addition for those with allergies, asthma or pets. It's also a good idea for homes in high-traffic areas and for anyone who simply enjoys a nice breath of fresh, clean air. Changing your filters frequently helps you get the most out for your allergen remover.