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16x21.5x1 Air Filter Merv 8
16x21.5x1 AC Filter Merv 11
16x21.5x1 Furnace Filter Merv 13
16x21.5x1 Filter Merv 13 Titanium
16x21.5x1 Filter Merv 10 Carbon

16x21.5x1 Air Filter

AC Furnace Air Filter 16x21.5x1 -Inches

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Product Description

Item Model Number: FKFB16X21.5A
Brand: Filter King
Filter size: 16x21.5x1
Actual Size: 16 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, 16x21.5x1 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.

16x21.5x1 Air Filter Reviews

How Often to Change Your 16x21.5x1 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.

16x21.5x1 Air Filter

Filter King 16x21.5x1 size air filters are used by your home air systems on a daily basis to ensure incoming airflow is kept clean. The indoor air quality of your home is important, enough to warrant having your air filters replaced regularly. When the airflow is not filtered, then you risk the air inside your home becoming full of various allergens and pollutants. It is not healthy to breathe in dirty air, breathing problems may develop if the problems persist for long enough. Old air filters will become less effective over time as their mesh weaving becomes covered in captured particles.

The air filters in your home systems will require consistent maintenance or the problems they will cause end up affecting your household as a whole. Dirty air filters are a blockage in a system, a blockage that prevents air from cycling throughout your home. Lack of airflow will cause the air systems to try to fix the problem by increasing the amount of power that they use. The rise in energy usage pushes the systems limits, which leads to both additional costs for your home and costly repairs as a result of possible mechanical failure.

Filter King air filters are designed to balance effective filtration while still allowing airflow to pass through without a problem. New air filters in a system are the most effective and allow for the systems work to their full capacity. Our air filters have a MERV (Minimum Efficiency Reporting Value) rating of eight. A MERV rating is used to let you know just how effective a filter is at cleaning out incoming airflow, our air filters are capable of blocking out airborne irritants like:

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

16x21.5x1 Air Filter Delivery

Our 16x21.5x1 size air filters are made with quality and affordable enough to make regular maintenance easier. Filter King also has a delivery service to have new air filters delivered to you, with orders of two or more filters shipped for free. We also have a subscription option to have your air filters delivered regularly to match your maintenance schedule. Order now and have new air filters help ensure fresh airflow for your home.