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18x27x1 Air Filter Merv 8
18x27x1 AC Filter Merv 11
18x27x1 Furnace Filter Merv 13
18x27x1 Filter Merv 13 Titanium
18x27x1 Filter Merv 10 Carbon

18x27x1 Air Filter

AC Furnace Air Filter 18x27x1 -Inches

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Product Description

Item Model Number: FKFB18X27A
Brand: Filter King
Filter size: 18x27x1
Actual Size: 18 x 27 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, 18x27x1 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.

18x27x1 Air Filter Reviews

How Often to Change Your 18x27x1 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.

18x27x1 Air Filter

Filter King 18x27x1 size air filters act as vital tools used by your air systems to keep incoming airflow clean and clear of allergens and pollutants. The tools are essential to the filtration process, trapping particles in their tight mesh weaving. Filtration heavily impacts your home’s indoor air quality and leads to the air inside becoming safer and more comfortable to breathe in. The filters are affected by the process as well, becoming dirtier over time and less effective as well.

As your air filters become dirtier, they become less capable of allowing airflow to pass through effectively. The resulting blockage is a problem for the air system, over time it also becomes a problem for your home as a whole. Dirty air filters stop fresh airflow from cycling inside and lead to problems of dryness and stagnation throughout. The blockage also causes a strain on the air system that eventually leads to mechanical damage and a gradual rise in energy billing. 

New air filters in your home will help keep the airflow coming in smoothly while simultaneously being cleaned. We offer replacement 18x27x1 for your homes, allowing for fresh airflow to come into your home without issue. We also have a premium delivery service to have new air filters brought straight to you, with a subscription option that has them arrive as often as monthly. Our filters have a MERV (Minimum Efficiency Reporting Value) rating of eight, the MERV rating showing how effective the filter is at blocking out particles. Filter King air filters are capable of blocking out particles like:

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

18x27x1 Air Filter Delivery

Our air filters are capable of fitting in a variety of accompanying air systems, including the home furnace system. The furnace filters in your system go in between where the air becomes heated and where it distributes into your duct system. Dirty furnace filters prevent the heated airflow from passing, causing serious issues in temperature throughout your home. The resulting temperature fluctuations and rise in heat could cause extensive damage to our furnace. Order new air filters today and avoid the problems that dirty air filters bring over time.