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16.25x21.25x1 Air Filter Merv 8
16.25x21.25x1 AC Filter Merv 11
16.25x21.25x1 Furnace Filter Merv 13
16.25x21.25x1 Filter Merv 13 Titanium
16.25x21.25x1 Filter Merv 10 Carbon
16.25x21.25x1 Filter Merv 8 Carbon 16.25x21.25x1 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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16.25x21.25x1 Air Filter

AC Furnace Air Filter 16.25x21.25x1 -Inches

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Odor Eliminator

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Product Description

Item Model Number: FKFB16.25X21.25A
Brand: Filter King
Filter size: 16.25x21.25x1
Actual Size: 16.25 x 21.25 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, 16.25x21.25x1 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.

16.25x21.25x1 Air Filter Reviews

What MERV Rating should I choose?

How Often to Change Your 16.25x21.25x1 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.

16.25x21.25x1 Air Filter

Filter King 16.25x21.25x1 size air filters are used by your air systems everyday to keep incoming airflow clear of irritants. The air filters are used to keep indoor air quality up by capturing irritants in a tight mesh weaving. The air throughout the systems needs filtration first, which puts the filters in your system under constant use. Over time, the air filters in your home will become dirty and require replacement to avoid problems from developing.

The problems that come with dirty air filters will become worse over time if the filters are not regularly replaced. Without proper airflow the air inside a home may begin to stagnate and dry out over time. Your systems are pushed harder, which may lead to serious and costly damage. Your home also suffers from increased billing as your air systems begin to use up additional energy.

Our air filters rank as an eight in the MERV (Minimum Efficiency Reporting Value) scale. A filters MERV rating helps you determine its ability to effectively clean out air particles. Our filters are balanced to provide protection while also air to effectively pass on through. Filter King air filters are capable of blocking out particles like:

  • Pollen
  • Dust
  • Mold
  • Dust Mites
  • Bacteria
  • Pet Dander
  • Smoke
  • Viruses

16.25x21.25x1 Air Filter Delivery

We work to make sure that you are able to replace your filters on a regular schedule to avoid any developing problems. Filter King has quality delivery options with orders of two or more filters shipped for free. We also offer a subscription service that has new air filters delivered on a regular basis. Order now and enjoy fresh incoming airflow and clean air for your home today.