Filterbuy 20x25x1 MERV 11 Allergen Defense Air Filters (12-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 enables us to provide you, your family, and your community with access to clean indoor air that allows you to live and breathe freely.

What makes our products unique? We offer premium features that provide an enhanced filtration experience. Our pleated, electrostatic design captures more particles, and our reinforced beverage board frame can withstand extreme temperatures.

We solve the problem of customers having the ability 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 at no extra cost.

We love being able to provide a service that helps keep our community healthy. We offer a variety of air filter options, including MERV 8, MERV 11, and MERV 13, to suit different needs. Our MERV 8 filters are perfect for almost any home or business that wants great indoor air quality at a reasonable rate. Our MERV 11 filters are ideal for homes or businesses with pets, smokers, or allergy sufferers, while our MERV 13 filters are perfect for larger homes or businesses and those who want the best possible filtration experience.

We also offer MERV 8 air filters with activated carbon, which are perfect for homes or businesses that want to inhibit unpleasant smells while still maintaining reliable MERV 8 quality.

Choosing the correct filter size is important. The nominal size is a shorthand number rounded to the nearest whole or half inch, while the actual size is an exact measurement that depicts the filter's precise dimensions. If your current air filter does not have a dimension listed on the frame, use a tape measure to record the width, length, and depth to find the actual size.

Replacing your air filter regularly is crucial for maintaining a healthy lifestyle, as breathing dirty air can put you at risk of developing asthma, allergies, and other respiratory ailments. We generally recommend replacing your filter every 90 days to keep your system running efficiently and your air clean.

At Filterbuy, we are committed to providing better air for all. We believe that everyone, everywhere deserves to breathe clean indoor air, free of allergens and pollutants. That's why we work around the clock to ensure you, your family, and your community have access to the clean air you need to live and breathe freely.

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