21.5 x 23.5 air filter

FilterBuy filters are designed to last up to days, 3 times longer than fiberglass filters. If you have pets, kids, or allergy sufferers in your home or business, replace your filters more often to maintain superior indoor air quality and keep your energy costs low.

Available to Southeast Florida residents only. Watch the video to learn more about our new Premium Dryer Vent Cleaning service. If you have ordered from us previously or created an account, you can also reset your password. Don't have an account? Sign up. At least 8 characters. This email address you provided is already in use.

21.5 x 23.5 air filter

Item Model Number: FK Item Model Number:FK In comparison to fiberglass filters, All Filter King air filters are made in the US. Filters frames are made out of heat resistant paperboard with horizontal grid supports. Chemical free, electrostatically charged synthetic polyester media is pleated, maximizing the surface area, to capture a high number of airborne particles as small as 0. To increase durability, the media is supported with a corrosion resistant steel wire. Our filters can typically be used for 3 to 5 months before requiring to be changed. Naturally, a variety of things influence filter lifespan. Your air filter becomes clogged over time by trapped particles, preventing airflow.

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Item Model Number: FK Item Model Number:FK In comparison to fiberglass filters, All Filter King air filters are made in the US. Filters frames are made out of heat resistant paperboard with horizontal grid supports. Chemical free, electrostatically charged synthetic polyester media is pleated, maximizing the surface area, to capture a high number of airborne particles as small as 0.

21.5 x 23.5 air filter

FilterBuy filters are designed to last up to days, 3 times longer than fiberglass filters. If you have pets, kids, or allergy sufferers in your home or business, replace your filters more often to maintain superior indoor air quality and keep your energy costs low. Synthetic media provides significantly higher particulate efficiency than standard cotton media. Available to Southeast Florida residents only. Watch the video to learn more about our new Premium Dryer Vent Cleaning service. If you have ordered from us previously or created an account, you can also reset your password. Don't have an account? Sign up. At least 8 characters.

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My Carrier HVAC systems have non-standard filter sizes and I was so glad that filterbuy had the correct size filters in inventory. Worked like a charm! Shipping address:. S suzan s. I will. Enter Your Email. My furnace requires an odd sized filter and Filterbuy is able to provide the perfect fit and a very high quality filter. G George A. Log In. Similar sizes

In comparison to fiberglass filters, 13x All Filter King air filters are made in the US.

Perfect fit and easy to install. D Daniel R. Arrived on time and in great shape. E Emily C. Filters bent. D Douglas W. M Martin G. J Joanna M. Updating Results. I purchased The same size of filter before from this website, and if it perfectly. Box arrived damaged. Add a New Billing Address.