Our high-quality, premium air filter replacements capture unwanted particles traveling through your home. Ideal for households with pets, cooking & smokers, our air purifier replacement filters work to trap odors and purify your home. Our high-caliber charcoal air filter replacements are essential for keeping the air in your home healthy & clean. Air purifier filters are compatible with Honeywell HPA300. Value pack includes 4/8 Activated Carbon HEPA Filters (11.25" x 13.9" x 0.2")