Filterbuy 12x20x1 MERV 11 Allergen Defense Air Filters (4-Pack)

At Filterbuy, we take pride in being a one-stop shop for all your air conditioner, furnace, or HVAC system filter replacements. We offer hundreds of custom sizes in a variety of filtration ratings to ensure you can find the perfect fit, regardless of your specific needs. This helps us achieve our goal of providing you, your family, and your community access to clean indoor air, enabling you to live and breathe freely.

Our products are unique in that we offer premium features, such as a pleated, electrostatic design that captures more particles and a reinforced beverage board frame capable of withstanding extreme temperatures. This enhanced filtration experience sets us apart.

We solve the problem of allowing customers to simply purchase the exact filter size they need from the comfort of their homes. Our robust supply chain ensures we can deliver these custom sizes quickly and at no extra cost.

We love being able to provide a service that helps keep our community healthy. We offer a range of MERV-rated air filters, from MERV 8 for standard protection to MERV 13 for optimal protection, as well as MERV 8 filters with activated carbon for odor elimination.

Our filters are universally compatible and will work with any furnace, air conditioner, heat pump, or HVAC system, as long as you choose the proper size. We recommend replacing your filter every 90 days to maintain a healthy lifestyle and keep your system running efficiently.

At Filterbuy, we are committed to championing indoor air quality and providing everyone access to clean air. We manufacture our products in the USA, using local sources, to ensure quality and swift delivery nationwide. Our new green-framed filters symbolize the peace of mind that comes with knowing your home or business is being properly cared for.

We encourage you to subscribe and save, as this can simplify the process of regularly changing your air filters. As a family-owned and -operated company with nearly 70 years of experience, we remain dedicated to community investment and personal aid at every opportunity.

product information: