16x20x1 Air Filter

Nominal Size
Actual Size
Merv Rating

Bulk Quantity Pricing

4 6 12 48 72 120



$7.24 $6.52 $6.37 $6.15 $5.43 $5.07



$16.92 $15.23 $14.89 $14.38 $12.69 $11.84



$7.13 $6.42 $6.27 $6.06 $5.35 $4.99

16x20x1 Air Filter for Allergen & Dust Control

A 16x20x1 air filter is engineered to maintain clean air within living or working spaces by trapping airborne particles. The nominal dimensions of these filters are 16 inches in width, 20 inches in height, and 1 inch in depth, making them a perfect fit for standard slots in HVAC systems for both residential and commercial use.

However, note that the actual size is usually slightly smaller, typically around 15.5 x 19.5 x 0.75 inches for a snug fit. These filters play a vital role in safeguarding HVAC components and maintaining efficient operation by barring dust and debris from entering the system.

MERV Ratings Explained

MERV, or Minimum Efficiency Reporting Value, is a rating system created in 1987 to measure the efficiency of air filters in capturing particles. The MERV rating scale ranges from 1 to 20, with higher numbers indicating better filtration capabilities. Filters with higher MERV ratings can capture smaller particles, but they may also increase costs and potentially strain HVAC systems due to restricted airflow.

For residential use, filters with MERV ratings of 8 to 13 are commonly recommended. Here are the recommended MERV ratings for different types of particles:

  • MERV 8 filters capture particles between 3.0 and 10.0 microns with 90% efficiency, making them suitable for trapping common dust, debris, and pollen.

  • MERV 11 filters are more efficient, capturing particles between 1.0 and 3.0 microns with 95% efficiency, which includes pet dander and car fumes.

  • For those with severe allergies or respiratory conditions, MERV 13 filters are ideal as they capture particles between 0.3 and 1.0 microns with 98% efficiency, including smoke, bacteria, and virus carriers.

Benefits of High-Quality Air Filters

Using a high-quality air furnace filter has numerous benefits, from improved indoor air quality to protecting your HVAC system and enhancing overall health. You can expect:

Improved Indoor Air Quality

Indoor air quality can be 200 to 500 times more polluted than outside air, making it crucial to use high-quality air filters. These filters can trap a wide range of airborne particles, including:

  • pollen

  • dust

  • mold spores

  • dust mites

  • bacteria

  • pet dander

  • smoke

  • viruses

For a working or living space with allergy sufferers, higher efficiency filters (MERV 11-13) are recommended to filter smaller particles and provide relief from symptoms such as sneezing, congestion, and itchy eyes caused by other allergens. Additionally, an odor eliminator can help improve the overall air quality.

Residences with smokers benefit from filters with higher MERV ratings to better trap smoke particles and improve indoor air quality. Additionally, HEPA filters can help eliminate pet dander found in the air, which is beneficial for people with pet allergies. Overall, high-quality air filters significantly reduce the number of harmful particles in indoor air, benefiting individuals with allergies or asthma and contributing to a healthier living environment.

Choosing the Right Filter for Your Needs

Choosing the right air filter involves considering several factors such as air quality needs, HVAC system compatibility, and filter lifespan. Understanding these aspects will help you select an appropriate filter that meets your specific requirements and ensures optimal performance.

Household Considerations

Homes with pets may require higher MERV rated filters to effectively capture pet dander and hair. For households with children, it’s important to choose filters that remove allergens efficiently to create a healthier living environment. These considerations help ensure that your air filter meets the unique needs of your home.

Budget vs. Performance

Balancing cost and performance involves selecting a filter that offers adequate filtration without significantly increasing energy consumption. Purchasing filters in bulk can help reduce costs over time, especially if regular replacements are necessary.

You should also bear in mind that, generally, older HVAC systems should use filters with a MERV rating no higher than 11 to prevent undue airflow resistance.

Where to Buy 16x20x1 Air Filters

There are several options for purchasing 16x20x1 air filters, including retailers, local stores, and directly from manufacturers. Each option has its advantages, from convenience and variety to immediate availability and potential cost savings. Here's why you should choose direct manufacturers like Custom Filters Direct.

Direct From Manufacturer

Purchasing air filters directly from the manufacturer can have significant advantages over buying from retailers. Here are some reasons why:

  • Manufacturers often offer competitive prices compared to retail stores due to the elimination of intermediary costs.

  • Bulk purchasing directly from manufacturers can lead to further price reductions.

  • Buying directly from manufacturers ensures that you receive genuine, high-quality products.

  • Manufacturers typically provide warranty and customer support that might not be available through third-party sellers.

This option is ideal for those looking for cost-effective, good quality and high-quality performance.

Reach Out to Custom Filters Direct

High-quality air filters play a crucial role in maintaining indoor air quality, protecting your air conditioner, and promoting overall health. By understanding what 16x20x1 air filters offer, you can make an informed decision that best suits your needs. If you need any help, reach out to Custom Filters Direct now. We can answer your questions and deliver you the best quality air filters.

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