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Top 10 Best 20x20x1 Air Filters to Buy Online

Looking for the perfect air filter to keep your home squeaky clean? Look no further, we've got you covered!

Positive feelings from past customers

  • Can't find this size in a big box store

The Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living is a product designed to trap and remove more particles from your home’s air. This electrostatically charged filter uses your heating and cooling system to clean your indoor air, making it a breeze to keep your home’s air quality under control.


The Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living is a pleated 1 in. air filter that outperforms fiberglass filters. It is washable and non-electrostatic. The filter has a 3-month lifespan. It is designed with the exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. The filter also attracts and captures large particles such as lint, household dust and dust mite debris. The MPR 300 has a rating of MERV 5.


The sentiment of the user reviews is overwhelmingly positive, with 83% of reviewers giving the product 5 stars. Only 1% of reviewers give the product 1 star.


According to user reviews, the Filtrete 20x20x1 AC Furnace Filter is an excellent product that helps to keep your home clean and free of dust. The filter is easy to install and works well, trapping all the dust and dirt from the air. Users are highly satisfied with the performance of the product and recommend it to others.

$36.99 AT AMAZON

Positive feelings from past customers

  • The air feels cleaner

  • The filters are well-packaged and high-quality

  • The filters are delivered to your home

The Aerostar 20x20x1 MERV 8 Pleated Air Filter is a simple and cost effective way to reduce airborne allergens in your home. The filter is designed for superior filtration efficiency, with an electrostatically charged synthetic material that draws and captures allergens between 0.3 - 1.0 microns. This includes lint, dust mites, spores, and pollen. The filter is compatible with furnaces and AC units, and should be changed every 60 to 90 days for best results.


The Aerostar 20x20x1 MERV 8 Pleated Air Filter is designed to filter microscopic particles such as lint, dust mites, spores, and pollen. It is simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months. The 100% synthetic electrostatic media provides high efficiency with low air flow resistance. It is manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive.


The vast majority of users who have rated the product give it a five-star rating, while only a very small minority give it a one-star rating. This indicates that overall, users are highly satisfied with the product.


According to user reviews, the Aerostar 20x20x1 MERV 8 Pleated Air Filter is an affordable and effective way to improve the quality of your indoor air. This filter is designed to capture a variety of common airborne contaminants, including dust, pollen, and pet dander. Additionally, the pleated design of this filter allows it to trap more particles than standard flat air filters, making it an ideal choice for homes with pets or allergies. The filter is also easy to install and lasts up to 90 days before needing to be replaced.

$36.22 AT AMAZON

Positive feelings from past customers

  • Good filtration

  • Prevents burnout

  • Good airflow

  • Captures allergens

  • Lasts a long time

Negative feelings from past customers

  • Some of the cardboard had been torn.

  • I had issues getting it to slide into place.

  • I had to really work it in.

The Filtrete Allergen Defense Air Filter is a high-quality air filter that captures large and small particles to help improve the air quality in your home. This filter has a MERV 11 rating, meaning it can capture up to 99.97% of airborne particles as small as 0.3 microns. Additionally, the filter has a pleated design that helps it last longer and capture more particles than standard flat filters.


The Filtrete 20x20x1, AC Furnace Air Filter MPR 1000 MERV 11 is a pleated 1 in. home air filter that is designed to be used in your furnace, air conditioner or HVAC system. The filter has a 3-month lifespan and is washable and non-electrostatic. It is designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. The filter has a MERV 11 rating, which means it will capture pollen, pet dander, smoke, bacteria and viruses from the air passing through it.


The product has been very well-received by users, with the vast majority of reviewers giving it a 5-star rating. There have been very few 1-star reviews.


According to user reviews, the Filtrete 20x20x1, AC Furnace Air Filter MPR 1000 MERV 11, Allergen Defense, 2-Pack is an excellent product that does an outstanding job of filtering out allergens and other airborne particles. The filters are easy to install and last a long time before needing to be replaced. Highly recommend!

$33.75 AT AMAZON

Positive feelings from past customers

  • The price is good

  • The quality is good

  • They work perfectly

  • They are of equal value to higher priced filters

  • They fit the air purifier perfectly

The Crisp 20x20x1 MERV 11 furnace filter is an air filter made with pleated technology that offers more air coverage, better particle capture performance, and extended furnace, air conditioner, or HVAC system life. The filter is also made with high quality CNK coated beverage boards. The 20x20x1 MERV 11 furnace filter traps debris, allergens such as pollen, dust, pet hair, auto exhaust particulates, and smoke. The filter should be changed every 3 months.


The majority of users who have rated this product give it a five star rating, with a 84% five star rating overall. A small minority of 1% of users give it a one star rating.


According to user reviews, the Crisp Filters 20x20x1 Air Filter is an excellent product that does a great job of filtering air. They are easy to install and have a long lifespan. They are also very affordable, making them a great value for the money.

$40.99 AT AMAZON

Positive feelings from past customers

  • The filter lasts longer than 3 months.

  • The filter is a good value.

Negative feelings from past customers

  • Some of the filters have blemishes.

Crisp Filters' 20x20x1 air filters are made with an advanced pleated technology that offers more air coverage, better particle capture performance, and extended furnace, air conditioner, or HVAC system life. The pleats are designed with wire backed synthetic media and high quality CNK coated beverage boards. These filters have a MERV 8 rating, which means they trap debris, allergens like pollen, and dust; and they last up to three months. They are easy and simple to use, just slide into the air filter return of your unit. They are made in the U.S.A. and come in a shrink wrap protective package.


The vast majority of users who have rated this product give it a 5-star rating, while only 2% give it a 1-star rating. This indicates that users generally think very highly of the product.


According to user reviews, the Crisp Filters 20x20x1 Air Filter is an effective and affordable air filter that helps to improve indoor air quality. This filter has a MERV 8 rating and is able to capture large airborne particles, making it ideal for those with allergies or asthma. Additionally, the filter's MPR 600 rating ensures that it will last for up to 3 months before needing to be replaced. Overall, reviewers were happy with the performance of this air filter and felt that it was a great value for the price.

$34.36 AT AMAZON

Positive feelings from past customers

  • Change often.

  • Good value for the money.

  • Seems to be of good quality.

  • Lasts longer than the cheapos.

  • Sturdy.

Negative feelings from past customers

  • They have to change the filter often.

  • They are not the best quality.

  • They are not great at trapping dust and allergens.

The Crisp Filters 20x20x1 Air Filter is an advanced pleated air filter that offers more air coverage, better particle capture performance, and extended furnace, air conditioner, or HVAC system life. Made with high quality CNK coated beverage boards and wire backed synthetic media, this air filter traps debris, allergens, and dust for clean, crisp air. With a thicker build and more pleats than most retail air filters, it offers enhanced airflow and efficiency, better capture coverage, and consistent, high performance filtration for up to three months. Installing or replacing is simple and it measures 19 ¾ x 19 ¾ x ¾ in size. Every single one of our air filters is made in the U.S.A. and comes in a shrink wrap protective package to avoid the filter touching dust in transit.


The sentiment is mostly positive, with 73% of users giving the product a five-star rating. Only 3% of users gave it a one-star rating.


According to user reviews, the Crisp Filters 20x20x1 Air Filter is an effective and affordable way to improve the quality of your indoor air. The filter has a MERV 8 rating, which means it can remove most airborne particles, including dust, pollen, and pet dander. Additionally, the MPR 600 rating indicates that the filter can also capture smaller particles, like bacteria and viruses. The two-pack ensures that you have a spare filter on hand, and the filter can be used in most standard furnaces. Overall, reviewers were happy with the performance of the filter and appreciated the low price.

$20.4 AT AMAZON

Positive feelings from past customers

  • Work very well

  • Easy to install

  • Filters well

  • Made well

  • Great price

The Crisp Filters 20x20x1 Air Filter is an advanced pleated technology that offers more air coverage, better particle capture performance and helps extend the life of your furnace, air conditioner, or HVAC system. Made with high quality CNK coated beverage boards and wire backed synthetic media, this MERV 11 air filter traps debris, allergens such as pollen, dust, pet hair, auto exhaust particulates, and smoke so you only breathe pure and crisp air. Utilizing a thicker build and a more pleat-heavy design than most retail air filters, our air conditioner filter offers enhanced airflow and efficiency, better capture coverage, and provides consistent, high performance filtration for up to three months. Installing or replacing our air filters is as simple as it gets - simply slide the filter into the air filter return of your unit. To avoid a dip in air quality, change your filters out up to every 90 days. Our 20x20x1 air filter measures 19½ x 19 ½ x ¾ in size and is made in the U.S.A.


The vast majority of users who have rated this product give it high marks, with 74% giving it a full 5 star rating. Only 3% of users give it a 1 star rating, with the rest falling somewhere in between.


According to user reviews, the Crisp Filters 20x20x1 Air Filter is an effective and affordable way to improve the air quality in your home. The MERV 11 rating means that it will capture most airborne contaminants, and the MPR 1000 rating means that it will also help to reduce allergens and other particles in the air. The four-pack of filters is also a great value, making it a good choice for those who want to improve the air quality in their home.

$30.72 AT AMAZON

Positive feelings from past customers

  • Good value price

  • Economical

  • Work perfectly

  • Great value for money

  • Decent quality

Negative feelings from past customers

  • Price

The Crisp Filters 20x20x1 Air Filter is an advanced pleated technology that offers more air coverage, better particle capture performance and helps extend the life of your furnace, air conditioner, or HVAC system. Our pleats are designed with wire backed synthetic media. Our 20x20x1 air filters are also made using high quality CNK coated beverage boards. The Crisp Filters 20x20x1 Air Filter is the ideal choice for anyone wanting clean, crisp air in their home. Our MERV 11 air filters trap debris, allergens such as pollen, dust, pet hair, auto exhaust particulates, and smoke - so you only breathe pure and crisp air. Utilizing a thicker build and a more pleat-heavy design than most retail air filters, our air conditioner filter offers enhanced airflow and efficiency, better capture coverage, (traps the unwanted particles) AND provides consistent, high performance filtration for up to three months. Installing or replacing our air filters for any AC units or furnace is as simple as it gets. Simply slide the filter into the air filter return of your unit and then breathe easy, knowing your air is secure. To avoid a dip in air quality, change your filters out up to every 90 days. Houses with specific air requirement needs should change the filter more frequently. Our 20x20x1 air filter measures 19½ x 19 ½ x ¾ in size. Every single one of our air filters is made in the U.S.A. Our filters come in a shrink wrap protective package to avoid the filter touching dust in transit, which is important to ensure the quality of your filters. We understand the importance of keeping your air clean.


The vast majority of users who have rated this product give it a five-star rating, showing that they are generally happy with the product. There are very few one-star ratings, indicating that there are not many people who are unhappy with the product.


According to user reviews, the Crisp Filters 20x20x1 Air Filter is an excellent product that does a great job of filtering out airborne particles. The MERV 11 rating ensures that the filter will capture a high percentage of particles, and the MPR 1000 rating means that it will last a long time before needing to be replaced. The 6-pack of filters is also a great value, making it an affordable option for those who need to replace their air filters on a regular basis.

$40.99 AT AMAZON

Positive feelings from past customers

  • The filter removes dust from the air

  • The filter is good value

  • The filter lasts a long time

Negative feelings from past customers

  • Some filters have blemishes

The Crisp Filters 20x20x1 Air Filter is an advanced pleated air filter that offers more air coverage, better particle capture performance, and extended furnace, air conditioner, or HVAC system life. Made with wire-backed synthetic media and high-quality CNK coated beverage boards, this air filter also traps allergens like pollen and dust, so you can breathe easy knowing your air is pure and crisp. With a thicker build and more pleats than most retail air filters, our air conditioner filter offers enhanced airflow and efficiency, better capture coverage, and consistent, high performance filtration for up to three months. Our 20x20x1 air filter measures 19 ¾ x 19 ¾ x ¾ in size and is easy to install or replace--simply slide the filter into the air filter return of your unit. Every single one of our air filters is made in the U.S.A. and comes in a shrink wrap protective package to avoid the filter touching dust in transit and to ensure the quality of your filters.


The vast majority of users who have rated this product give it a five star rating, while only a tiny minority give it a one star rating. This suggests that users generally like and are satisfied with the product.


According to user reviews, the Crisp Filters 20x20x1 Air Filter is an effective and affordable way to improve the air quality in your home. The filter has a MERV 8 rating, which means it can capture large airborne particles, and a MPR 600 rating, which means it can also capture smaller particles. The filters come in a 6-pack, so you can replace them every few months as needed.

$34.36 AT AMAZON

FILTER FBRGLS 20X20X1

$44.1 AT AMAZON

as of 02/08/2023, 06:08 AM PST - Details

Positive feelings from past customers

  • Dependable product

  • Filters for our plug in box fans

  • Better than more expensive filters

  • Standard filter

  • As expected

Negative feelings from past customers

  • Wish this seller wouldn't use FedEx

  • Not as dense as others we have used

  • Cheap but works

The FILTER FBRGLS 20X20X1 is a high-quality furnace filter that is effective against dust and lint. It is a disposable filter with a flat panel and no metal media retainers. It has a MERV rating of 4 and is 30 days long. The filter is 19.63 x 19.63 x 0.37 inches and weighs 0.39 pounds.


The FILTER FBRGLS 20X20X1 is a furnace filter made of fiberglass. It is 20 inches by 20 inches by 1 inch.


The sentiment is overwhelmingly positive, with 78% of users giving the app a 5-star rating. Only 3% of users gave it a 1-star rating.


According to user reviews, the FILTER FBRGLS 20X20X1 is an excellent product that does a great job of filtering out airborne particles and impurities. It is easy to install and requires no maintenance. This product is durable and lasts for a long time. It is also affordable and offers good value for money.

$44.1 AT AMAZON

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