20x25x1 Air Filter MERV 11 Allergen Defense (4-Pack)

Proud to be your one-stop-shop for air conditioner, furnace, or HVAC system filter replacements, Filterbuy offers a wide range of custom sizes and filtration ratings to ensure you find the perfect fit for your specific needs. Our premium filters feature pleated, electrostatic designs that capture more particles and a reinforced beverage board frame capable of withstanding extreme temperatures. Our robust supply chain ensures quick delivery at no extra cost, so you can breathe freely in your home.

We are dedicated to keeping our community healthy by providing quality service. Our product selection includes 20x20x1 Air Filters (4 Packs), 16x25x1 Air Filters (4 Packs), and 20x25x1 Air Filters (4 Packs) to suit various needs. Our Minimum Efficiency Reporting Value (MERV) ratings range from MERV 8 to MERV 13, with options for superior protection, optimal filtration, and odor elimination. Our filters also come in a variety of popular sizes to fit your needs.

The nominal size of a filter is rounded to the nearest whole or half inch, while the actual size is an exact measurement. Remember to measure your filter to ensure a proper fit and to maintain a healthy lifestyle. Changing your filter every 90 days is recommended to keep your air clean and your system running efficiently.

Most of our filters are universally compatible with any HVAC system, making it easy to find the right fit for your home. We offer package quantities ranging from 1 to 12 filters with suggestions for various needs, including healthy families, allergy sufferers, and large rooms.

Filterbuy frames are constructed in the USA to symbolize the peace of mind that comes from breathing clean air. Our robust network allows us to fulfill diverse, custom orders across the country at premium rates. Enroll in our subscription service to simplify the filter replacement process, with discounts available for each delivery.

As a small, family-owned and operated company, we have been giving back to our community for nearly 70 years. Our commitment to community investment and personal aid remains a top priority as we continue to grow. Our MERV 11 synthetic media filters are capable of trapping 95% of airborne particles without impacting air flow, and are 100% manufactured within the United States. If you receive a different label, frame, or media than pictured, please note that any alterations are purely cosmetic and will not impact the filter's function.

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