Filterbuy 18x18x1 MERV 8 Air Filters (2-Pack)

At Filterbuy, we take pride in being a one-stop shop for all of 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 allows us to provide you, your family, and your community access to clean indoor air, enabling you to live and breathe freely.

Our products are unique because they feature premium features that deliver an enhanced filtration experience. This includes a pleated, electrostatic design that captures more particles and a reinforced beverage board frame capable of withstanding extreme temperatures.

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

We love being able to provide a service that helps keep our community healthy. Our air filters come in a variety of sizes and MERV ratings to suit different needs, from standard protection (MERV 8) to optimal protection (MERV 13), as well as odor-eliminating options.

MERV (Minimum Efficiency Reporting Value) is a scale that rates the ability of filters to trap particles, with higher numbers indicating more effective filtration. MERV 8 filters are great for general use, MERV 11 are superior for homes with pets, smokers, or allergy sufferers, and MERV 13 provide the best possible filtration for larger spaces or those who want the highest level of protection.

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 ensuring everyone has access to clean, allergen-free air. Our new, green-framed filters are made with the same high-quality materials and are proudly manufactured in the USA. We also offer a subscription service to make filter changes easy and convenient.

Our company has evolved from its inception in 1958, but we remain true to our values of community investment and personal aid. As we continue to expand, we're dedicated to providing better air for all.

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