“Clean Air Just Got Easier: Upgrade to FBRGLS 16X20X1 Filter”

41GO+VSKRTL. AC31l5zkP763S. AC
Price: $41.03
(as of Apr 09, 2023 02:16:51 UTC – Details)

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Air Conditioner Filter 16x20x1 – Your Ultimate Guide

At some point in our lives, we have all heard the phrase “out of sight, out of mind.” When it comes to the air conditioner filter in your home, this is a dangerous mindset to adopt. There’s no denying that your filter plays a crucial role in keeping your indoor air clean and healthy.

If you’re in the market for a new AC filter or simply looking to be more informed about the filter currently in your home, this guide is for you. We’ll cover everything there is to know about AC filters, including what they do, how they work, and important factors to consider when choosing one.

What is an AC Filter and What Does it Do?

Before we delve into the details about AC filters, let’s first understand what an air conditioning unit does. Air conditioning systems use a refrigerant to cool the air that circulates through the ducts in your home. The cool air is then distributed through the vents and into the various rooms of your house.

An AC filter is one of the most important components of your air conditioning system. The filter works by removing contaminants from the air as it passes through the unit. This includes things like dust, dirt, pollen, mold spores, and pet dander.

By removing these particles, the filter helps to improve the air quality in your home, making it safer and healthier for you and your family to breathe.

How Does an AC Filter Work?

Understanding how an AC filter works is key to choosing the right one for your home. Filters come in various sizes and types, but all use the same basic technology to remove contaminants from the air.

The filter itself is made up of a series of fibers or mesh that trap particles as they pass through the material. The fibers are typically made of materials like fiberglass or polyester, which are electrostatically charged to attract and retain particles.

When air flows through the filter, the contaminants in the air become trapped in the fibers. Over time, as more and more particles accumulate on the surface of the filter, it becomes less effective at removing airborne pollutants.

This is why it’s crucial to change your AC filter regularly. By doing so, you ensure that the filter remains effective at removing pollutants and maintaining the air quality in your home.

Important Factors to Consider When Choosing an AC Filter

Choosing the right AC filter for your home can seem overwhelming at first. There are numerous factors to consider, including the filter’s rating, thickness, and efficiency.

Filter Rating

The filter rating refers to the filter’s ability to remove microscopic particles from the air. The rating is determined by the Minimum Efficiency Reporting Value (MERV) system. The higher the MERV rating, the more efficient the filter is at removing airborne pollutants. For most homes, filters with a rating between 8 and 12 are recommended.


The thickness of the filter is another important factor to consider. Filters come in various thicknesses, from 1 inch to 4 inches or more. While thicker filters may seem like they would be more efficient at filtering contaminants, this is not always the case. A thicker filter may restrict the airflow in your unit, causing it to work harder and potentially decreasing the lifespan of the unit.


Finally, the efficiency of the filter is another important consideration. Efficiency refers to the filter’s ability to remove particles of a certain size from the air. For example, a filter with a high efficiency rating may be more effective at removing small particles like mold spores, while a lower efficiency filter may be better at removing larger particles like dust and pet dander.


1. How often should I change my AC filter?

It’s recommended that you change your AC filter every 1 to 3 months, depending on how frequently the unit is used and the filter’s MERV rating.

2. What happens if I don’t change my AC filter?

If you do not change your AC filter regularly, the filter will become clogged with dust and debris, making it less effective at removing pollutants from the air. This can lead to decreased air quality in your home and potential health problems.

3. Can I clean and reuse my AC filter?

It’s not recommended to clean and reuse AC filters. Attempts to clean the filter can damage the fibers and render the filter less effective at removing contaminants from the air.

4. What is the difference between a MERV rating and a HEPA rating?

MERV ratings apply to filters that are commonly used in residential and commercial HVAC systems, while HEPA ratings apply to filters that are used in air purifiers. HEPA filters are often more efficient at removing airborne pollutants than filters with a high MERV rating.

5. Can I use a filter with a higher MERV rating than my unit requires?

It’s not recommended to use a filter with a higher MERV rating than your unit requires, as this can restrict airflow and cause the unit to work harder, potentially decreasing its lifespan.


Your air conditioner filter plays a critical role in maintaining the air quality in your home. By understanding how AC filters work and the important factors to consider when choosing one, you can ensure that your unit remains effective at removing pollutants from the air.

Remember to change your AC filter regularly and choose a filter with a rating, thickness, and efficiency that meets the needs of your home. By doing so, you can enjoy cleaner, healthier air in your home for years to come.

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