There are plenty of options available while buying criterion ii gas furnace filters in the market right now, and if you're confused regarding which one to go for, You have landed on the right page.

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Our Top Picks:

Best Overall: Buy: Filtrete Great Filter READ REVIEW

Best For Customer Service: Buy: Filterbuy Criterion Ii Gas Furnace Filter READ REVIEW

Best For Nominal Size: Buy: Aerostar Criterion Ii Gas Furnace Filter READ REVIEW

Best For First Time: Buy: Mervfilters Criterion Ii Gas Furnace Filter READ REVIEW

Best For Filter Media: Buy: Kn Criterion Ii Gas Furnace Filter READ REVIEW

Best For Less Cost: Buy: Filtrete Criterion Ii Gas Furnace Filter READ REVIEW

Best For Size: Buy: Filterbuy Air Filter READ REVIEW

Best With Quick Shipping: Buy: Aerostar Air Filter READ REVIEW

Best For Important Note: Buy: Nordic Pure Criterion Ii Gas Furnace Filter READ REVIEW

Best For Custom Sizes: Buy: Colorfil Criterion Ii Gas Furnace Filter READ REVIEW

Best Overall: Filtrete Great Filter

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The look and feel of these filters are consistent with the high quality we're used to from the rest of Filtrete's lineup. The Filtrete Great Filter can make for cleaner air and it makes for a much better price. Filtrete allergen, bacteria & virus air filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. Also, it comes with a microparticle performance rating of 1500.

The filter has removed plastic and it is made with sweet spot. Most importantly, the filtrete great filter comes with fit right and it works well for good quality filters.

Almost all buyers found that the filter is suitable for a 2 ton system. Further, they strongly agree that the filter provides the best of both worlds. And, they say that this 3 m filter is one of the top filters in the 3 m lineup, but also provides excellent airflow. To sum up, the tone of buyers is very positive and we believe that the filter suits the purpose.

• This works well, allows for great fit and it saves money.
• This is great for cutting and fitting air purifiers.
• Helps promote a healthy home by reducing airborne dust, allergens, bacteria & viruses.
• This is about 1/4" shorter in both dimensions, but it is not enough.

Best For Customer Service: Filterbuy Criterion Ii Gas Furnace Filter

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The Filterbuy Criterion Ii Gas Furnace Filter's superior materials makes sure that it ages well with use. The filterbuy criterion ii gas furnace filter features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models. Make sure this fits by entering your model number. These are merv 8 filters with activated carbon, so they are recommended when trying to prevent undesirable smells.

Finally, the filterbuy criterion ii gas furnace filter offers more at a reasonable price, has filter actual size and it is great for less money.

Most customers agree that the filter does not kill any germs as the air passes by. Also, a few strongly agree that the filter fits like a ring and it's awesome. Further, they say that the filter will list the exact dimensions along with the standard size. To sum up, at the price, they believe that they got a steal of a deal with it.

• All components are manufactured within the united States and designed with recyclable materials.
• The Manufacturer says: Our merv 13 filters capture 98% of particles, making them extremely efficient.
• This is a large grate in the upstairs ceiling.
• Just look for the arrows on the side of the filter frame.

Best For Nominal Size: Aerostar Criterion Ii Gas Furnace Filter

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If you often find yourself scrambling for an appropriate and satisfactory filter, Aerostar Criterion Ii Gas Furnace Filter is your solution. The aerostar criterion ii gas furnace filter has many others and has a good design. For best results, change the filter every 60 to 90 days but increase the frequency to 30 days during peak summer and winter months when your unit is working the hardest. These filters are made with electrostatically charged synthetic material that draws and captures allergens between 03.

The filter is compatible with furnaces, works wonderfully and it is highly recommend. Most importantly, the aerostar criterion ii gas furnace filter is great for perfect size, is easier to install, it is done right and has a nice design.

Most customers quickly discovered that the filter works well for the money. In addition, a few strongly agree that the filter is done to fit into a 20" x 18" opening. Overall, many buyers have used the aerostar criterion ii gas furnace filter for more than a few months without any issues, and it shows no sign of giving up.

• This comes with nice filters and it comes with the wrong size.
• 100% synthetic electrostatic media for high efficiency with low air flow resistance.
• This has reduced dust and it is permanent.
• This works as well as manufacturers suggest filter.

Best For First Time: Mervfilters Criterion Ii Gas Furnace Filter

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We would, of course, be remiss if we didn't mention Mervfilters Criterion Ii Gas Furnace Filter for daily purpose. The mervfilters criterion ii gas furnace filter works fine and it is reasonable. The manufacturer says: Entrap air particles that bring harm to you and your loved ones with our merv 8 pleated air filters that capture dust, lint and pollen. This air conditioner, furnace and hvac filter works with almost any brand.

The filter comes with a new furnace, has buyer beware, it is universally compatible and has a good design. Finally, the mervfilters criterion iigas furnace filter is made in the u.s.a with close attention to even the smallest details, making it ideal for any residential home.

Almost all customers agree that the filter comes in a convenient 6-pack. Moreover, a few also found that the filter can really be quite an expense... However, buying in bulk is so much more economical. Moreover, they strongly agree that the exchange filter is there to keep the heat exchange block clean. To sum up, buyers found this to be one of the best filters for daily purposes.

• This is suitable for many sizes and it allows for a great deal.
• This is priced well and it is great for pollen season.
• This is perfect in an unusual size of 14" x 14.
• This makes a swooshing noise as the filter gets kicked around.

Best For Filter Media: Kn Criterion Ii Gas Furnace Filter

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The Kn Criterion Ii Gas Furnace Filter's material feels more premium than its price would suggest. The kn criterion ii gasfurnace filter is built with a solid frame, very easy and it has saved money. High airflow helps reduce hvac system strain and requires less energy, which can translate into savings for you. In addition, it fits like a glove and it allows for nice airflow.

The filter has increased hvac efficiency, it works great and it is top quality. Finally, the kn criterionii gas furnacefilter fits perfectly, is good to go, it works well for direct replacement and has a good design.

Almost all buyers opine that the filter is used to help clean the air in individual rooms when it is smoky outside & waifs indoors from summer wildfires. In addition, they also found that the filter is a "good" HVAC air filter alternative. Also, they strongly agree that the filter is a little pricey, so if you have both auto and hvac filters, there is a simple (earth friendly) alternative sold at most retailers in Green. To sum up, the tone of buyers is very positive and we believe that the filter suits the purpose.

• This is especially important if your registers are on your ceiling.
• This provides a good seal for the filter and prevents any movement as well.
• This is quieter than electrostatic filters.
• This is built to last and it allows for better air quality.

Best For Less Cost: Filtrete Criterion Ii Gas Furnace Filter

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Filtrete offers a variety of filters for personal choice and yet maintains quality in all the variants. The Filtrete Criterion Ii Gas Furnace Filter comes with nice filters and it is perfect for fresh air. Because every breath is important, filtrete healthy living air filters proactively capture dust, bacteria, viruses and allergens from the air passing through your filter. The filtrete dust reduction filter attracts and captures household dust and is ideal for high - velocity equipment.

Most importantly, the filtrete criterion ii gas furnace filter works well. It is reliable and has a good design.

Most buyers agree that the filter improves the electric bill in summer or winter. And, a few also found that the filter was literally about 1/8" too big. Moreover, a few say that this filter has a mesh running throughout to catch the extra dust that may get through. In conclusion, buyers found this to be one of the best filters for daily purposes.

• This is a good replacement filter for replacing blue fiberglass filters.
• It is easy to replace filters more often.
• It is much cheaper to buy like this.
• Sign-up for a filter change reminder program that works for you.

Best For Size: Filterbuy Air Filter

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Compared with other filters in this category, the Filterbuy Air Filter has a convenient design. The filterbuy air filter protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow. The Manufacturer says: At filterbuy, we care about the air you breathe because we know how important it is to maintain a sanitary lifestyle. Further, it features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products ' lifespan by 3 times that of fiberglass models.

The filter has saved money and it is better than most. Finally, the filterbuy air filter you can get for a reasonable price, is pretty sturdy and it is great with fast shipping.

Most buyers opine that the filter is the size your trane unit requires, then this may work. Also, a few say that the filter is perfectly straight and the same quality as filters, costing 3 times as much. Also, a few also found that this filter has a strong frame and likely will not bow. In short, most customers found the filter is functionally comfortable and no one questions it.

• These are shrink wrapped together and it is designed to fit your trane model unit.
• Next day delivery and it’s a merv 8 rated filter.
• This works for great air flow and it is packaged nicely.
• This is perfect fit and easy to install as well as a great price.

Best With Quick Shipping: Aerostar Air Filter

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The Aerostar Air Filter is capable of outshining several other filters featured in this list in overall features for the price point. The aerostar air filters have two cats, is great for value for the price and it is easy to insert. For best results, change the filter every 60 to 90 days but increase the frequency to 30 days during peak summer and winter months when your unit is working the hardest. These filters are made with electrostatically charged synthetic material that draws and captures allergens between 03.

The filter filters well and it provides for good air flow. Further, the filter has reduced air flow and it is great for a fair price. Most importantly, the aerostar air filter works great and it allows for a great deal.

Most buyers found that the filter does make a good seal, the 1' deep pleats will give you much less surface area than a deeper filter. Further, they strongly agree that the filter is as good as a big name brand at a big-name store. Further, a few strongly agree that the filter is definitely the “shipping companies” fault. Overall, for most buyers, the filter was most suitable.

• This is designed to filter microscopic particles such as lint, dust mites, spores, and pollen.
• This fits true to size and is excellent for the price.
• This fits perfectly and does the job intended.
• This filters out dust, worked fine and it is best for good fit.

Best For Important Note: Nordic Pure Criterion Ii Gas Furnace Filter

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The features department is where the Nordic pure criterion ii gas furnace filter truly manages to shine. The Nordic pure criterion iigas furnacefilter is perfect for true size and it is made with great delivery. Captures airborne particles as small as 0.3 microns. These pollutants can cause miserable allergy symptoms like coughing, sneezing and watery eyes.

The filter is used for important note, is great with an awesome price and it is designed for good fit. Also, the filter is made with fast shipping and it is great for good quality. Most importantly, the Nordic pure criterionii gasfurnace filter is not necessary to add any potentially irritating chemicals to the air filter to kill germs.

Almost all customers quickly discovered that the filter is much better than buying it at home depot at double the price. And, a few strongly agree that the filter is easy to install in a furnace media case. In addition, a few strongly agree that the filter takes care of the ethnic cooking smells and the pollen. To sum up, many buyers have used the Nordic pure criterion ii gas furnace filter for more than a few months without any problems, and it shows no sign of giving up.

• Hypoallergenic and pleated electrostatic filter material. Antimicrobial.
• Works great and is half of the price of the non - generic filter.
• This comes in a good box.
• Generally, you should change your 4-inch air filters every 3 to 6 months.

Best For Custom Sizes: Colorfil Criterion Ii Gas Furnace Filter

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The Colorfil Criterion Ii Gas Furnace Filter is capable of outshining several other filters featured in this list in overall features for the price point. The colorfil criterion ii gas furnace filter has fantastic air cleaning, fits well and it is great for customer service. Make sure this fits by entering your model number. Also, this is best for air cleaning, comes with amazing customer service and it is happy with these filters.

Above all, the colorfil criterion ii gas furnace filter is made for exact fit and it is perfect for pet hair.

Almost all buyers opine that the filter is even a smidge smaller than what is mentioned for the actual size. And, they say that the filter has helped with litter box odor. Moreover, a few say that the filter is really a great idea.

• It does cost a bit more, but it is worth it.
• This is used using a lower modern rated filter.
• Removes, dust, dander, and pet hair with Merv 8 efficiency.
• Capture and control odors in your air without the use of fragrance or scent.