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Pollen
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Dust
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Mold
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Dust Mites
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Bacteria
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Pet Dander
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Smoke
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Viruses
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Cooking
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Odor
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Smog
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8x20x1 Air Filter
AC Furnace Air Filter 8x20x1 -Inches
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1. Select Filter Quality

Standard
MERV 8

Good
MERV 11

Better
MERV 13

Odor Eliminator
2. Select Quantity
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Select the number of filters
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Product Description
Item Model Number: FKFB08X20A
Brand: Filter King Filter size: 8x20x1 Actual Size: 8 x 20 x .75 1-Inch Filter MERV 8 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Manufactured in the US
Why Buy Air Filters From Filter King?

In comparison to fiberglass filters, 8x20x1 pleated air filters are at least 20 times more effective. All Filter King air filters are made in the US.

Filters frames are made out of heat resistant paperboard with horizontal grid supports. Able to withstand temperatures of up to 200° F and resistant to moisture, the paperboard frames do not support microbial growth and outperforms traditional cardboard frames.

Chemical free, electrostatically charged synthetic polyester media is pleated, maximizing the surface area, to capture a high number of airborne particles as small as 0.3 microns with low air flow resistance. To increase durability, the media is supported with a corrosion resistant steel wire.
8x20x1 Air Filter Reviews
What MERV Rating should I choose?
How Often to Change Your 8x20x1 Air Filter?
Filter King AC & furnace filters aren’t the typical fiberglass filters that need to be replaced every 30 days. Our filters can typically be used for 3 to 5 months before requiring to be changed. Naturally, a variety of things influence filter lifespan.
Some of the factors that influence your filter’s life include outdoor air quality, whether pets are in the home, and how well your HVAC system is maintained.
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. Regular home air filter replacements can prevent expensive system repairs or replacements down the road.
You should change your filter more frequently if you notice:
- Household dust build-up
- The air isn’t cooling as is used to
- There’s more dust near the air vents
- A dirty filter surface
- Higher energy bills
- Burning smells near your HVAC system.
8x20x1 Air Filter
Filter King 8x20x1 size air filters are made to protect your homes accommodating air systems from incoming airborne particles. Air systems like HVAC’s or furnaces need filters in place to keep the incoming airflow free of intruding particles. Our 8x20x1 size air filter consists of a tight mesh weaving that keeps airflow coming in and raises a home’s indoor air quality. The air filter will stop a full range of irritants, but become dirty in the process and require replacement.
Dirty air filters are a problem for your home, your should replace them as soon as possible to avoid any issues. When your air filters are dirty they are capable of causing a range of problems that only grow worse over time. Over time, the dirty air filters will cause an increase in billing and a strain on your air system. You will need new air filters installed to keep the airflow in your home traveling smoothly. Our premium air filters rank as an eight on the MERV (Minimum Efficiency Reporting Value) scale, and are capable of blocking out particles like:
- Pollen
- Dust
- Mold
- Dust Mites
- Bacteria
- Pet Dander
- Smoke
- Viruses
8x20x1 Air Filter Delivery
Your air filters need regular maintenance, depending on your home’s environment new filters may be needed as often as monthly. We provide filters at affordable prices, and they are even more affordable when purchased in bulk. We ship orders of two or more filters for free, and even offer a subscription service to have your filters delivered as often as by the month. Order today and enjoy fresh incoming airflow for your home.