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12.5x20x5 Air Filter Merv 8 12.5x20x5 Air Filter Merv 8
12.5x20x5 AC Filter Merv 11 12.5x20x5 AC Filter Merv 11
12.5x20x5 Furnace Filter Merv 13 12.5x20x5 Furnace Filter Merv 13
12.5x20x5 Filter Merv 13 Titanium 12.5x20x5 Filter Merv 13 Titanium
12.5x20x5 Filter Merv 10 Carbon 12.5x20x5 Filter Merv 10 Carbon
12.5x20x5 Filter Merv 8 Carbon 12.5x20x5 Filter Merv 8 Carbon
Protects All Against
  • Pollen protection
  • Dust protection
  • Mold protection
  • Dust Mites protection
    Dust Mites
  • Bacteria protection
  • Pet Dander protection
    Pet Dander
  • Smoke protection
  • Viruses protection
  • Cooking Smoke protection
  • Odor protection
  • Smog protection
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Honeywell 12.5x20x5 Air Filters

Replacement Filter for Model Honeywell FC100A1052

Actual Size: 12.38 X 19.88 X 4.38

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Product Description

Item Model Number: FKDPFW12.5X20X5
12.5x20x5 (12.38 x 19.88 x 4.38) FC100A1052 MERV 8 Filter King Replacement Filter for Honeywell

Manufactured in the US

Why Buy Air Filters From Filter King?


In comparison to fiberglass filters, 12.5x20x5 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.

12.5x20x5 Air Filter Reviews

What MERV Rating should I choose?

How Often to Change Your 12.5x20x5 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.

These Honeywell FC-100A1052 12.5x20x5 replacement air filters are an easy way to keep your HVAC system running smoothly and filter out particulates that might be causing odors or impairing the comfort in your home or office. The double-wall construction reduces fatigue by evenly distributing weight, and ensures superior performance with die cut fingers that leave only a ½ inch clearance between grilles for optimum air flow as well as high efficiency filter media which collects small dust particles before they can collect on your coils.

The Filter King Replacement Air Filters are a great way to get the air in your home or office fresh and clean! They come with superior frame strength utilizing double wall construction and die cut fingers, high efficiency filter media collects small dust particles before they can collect on your coils, and lasts up to 6 months.