The 3M Filtrete A/D/H Advanced Allergen Bacteria Virus HEPA Air Filter 2 Pack is a high-quality filtration solution designed to improve indoor air quality. With a filter life of 6 months, this HEPA-Type filter effectively captures allergens, bacteria, and viruses, providing clean and fresh air for your home or office. The set includes 2 white filters, compatible with popular brands like Honeywell, Holmes, and Filtrete. Made in the United States, this filter is an essential component for any air purifier system to ensure a healthier environment. we will ship USPS Ground within 24 hours of payment.