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.

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.

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.

Very nice doing business with you. It's not a standard size.

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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.

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.

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Please make sure it's turned on in your browser. Box arrived damaged. Your Cart view cart. 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. Thank you. Verified Buyer. Highly recommend them. Great service and product value. Good quality and fits well. Add a new shipping address. J James G. I will order from Filterbuy again! E Elizabeth J. My filter are hard to find.

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.

G Gerald W. Add a New Billing Address. R Richard K. I had a difficult time getting it in the slot. I highly recommend. Available to Southeast Florida residents only. J Jack B. Add a New Payment Method. Arrived quickly. J James G. The website is very user friendly. No other place. Made in the USA.