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19x21.5x1 Air Filter Merv 8
19x21.5x1 AC Filter Merv 11
19x21.5x1 Furnace Filter Merv 13
19x21.5x1 Filter Merv 13 Titanium
19x21.5x1 Filter Merv 10 Carbon

19x21.5x1 Air Filter

AC Furnace Air Filter 19x21.5x1 -Inches

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Product Description

Item Model Number: FKFB19X21.5A
Brand: Filter King
Filter size: 19x21.5x1
Actual Size: 19 x 21.5 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?

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In comparison to fiberglass filters, 19x21.5x1 pleated air filters are at least 20 times more effective. All Filter King air filters are made in the US.

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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.

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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.

19x21.5x1 Air Filter Reviews

How Often to Change Your 19x21.5x1 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.

19x21.5x1 Air Filter

Filter King 19x21.5x1 size air filters provide a valuable process to accompanying air systems, where they clean out incoming airflow. The air pumped in by your systems is not always clean. The air surrounding your home may contain allergens or pollutants that may affect your home’s indoor air quality. The air filters will continue to capture irritants in their tight mesh weaving until they become completely full. Dirty air filters need maintenance, or the problems they cause will begin to affect your home as a whole.

When your air filters are dirty then airflow is unable to come into your home, it is hindered or blocked completely by the layer of built up irritants. The air inside your home will begin to dry out and stagnate over time if not cycled out. The filtration process makes your home safer and more comfortable, while also easing the burden on your air systems. Without clean air filters, your systems have trouble pushing air through which leads to problems with mechanical damage and an increase in billing.

Your home benefits from having new filters that allow airflow to pass through and cycle throughout your home without issue. We offer replacement 19x21.5x1 size air filters to help keep incoming airflow clean and clear of pollutants. Filter King also has a delivery service to have new filters brought straight to you. There is also a subscription option where new filters are shipped out to you as often as monthly. We also provide a MERV (Minimum Efficiency Reporting Value) rating for our filters that displays their effectiveness at blocking out irritants. The filters block out particles like:

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

19x21.5x1 Air Filter Delivery

Filter King air filters are able to fit into your home’s furnace systems and clean up the heated airflow passing through. Your furnace filters are useful, but they become serious problems over time as they become dirtier. Dirty furnace filters block heated airflow, which may cause the air inside the air system to rise dangerously and cause mechanical damage. New air filters will help you keep airflow coming in without problems, order today and have them installed as soon as possible.