21.5 x 23.5 air filter

FilterBuy filters are designed to last up to days, 3 times longer than fiberglass filters.

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. The efficiency of the HVAC filter declines. Your system must work harder to heat and cool your home. The extra strain on the HVAC system causes higher energy bills.

Chief Engineer. The filter's package came in to my home safely and quickly. Great fit, fast delivery!

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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.

21.5 x 23.5 air filter

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. Please log in using this email address or sign up with a new email address. Enter your email address below and we'll send you instructions for setting up a new password.

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Website was easy to use. I haven't used it yet. Regular home air filter replacements can prevent expensive system repairs or replacements down the road. Ordering was easy and delivery happened with in a few days. Exact fit, great quality and. You don't have any shipping addresses yet, please add at least one shipping address first. Love it. Hard to find odd sizes like this. I liked the quality of. J Jack B. Must contain: 1 Lowercase Letter. Don't have an account? How Often to Change Your Back Continue.

Item Model Number: FK Item Model Number:FK In comparison to fiberglass filters,

Thank-you so much. These filters are as good as the more expensive name brands!! Doing business with filter buy. I was instructed to give the filters to charity and they gave me a refund, even though it was my error. C catherine m. Select a Billing Address. Review by Sara C. Watch the video to learn more about our new Premium Dryer Vent Cleaning service. Thnx sp. Add a New Payment Method.