We consider a tri pleat filter to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best tri pleat filter for you.

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Our Top Picks:

Best Overall: Buy: Lennox Tri Pleat Filter READ REVIEW

Best For Customer Service: Buy: Aerostar Air Filter READ REVIEW

Best For Nominal Size: Buy: Filterbuy New Filter READ REVIEW

Best For First Time: Buy: Filtrete Quality Filter READ REVIEW

Compatible With Furnaces: Buy: Aerostar Tri Pleat Filter READ REVIEW

Best With Scent: Buy: Filtrete Tri Pleat Filter READ REVIEW

Best For Important Note: Buy: Nordic Pure Tri Pleat Filter READ REVIEW

Best For Home Depot: Buy: Filterbuy Tri Pleat Filter READ REVIEW

Best For Pet Dander: Buy: Tridim Pro Tri Pleat Filter READ REVIEW

Best Overall: Lennox Tri Pleat Filter

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The Lennox Tri Pleat Filter is long-lasting, rigid and fits well with your daily purpose like a dream. The lennox tri pleat filter is good for the first time, Its price is great and it is a bit pricey. Make sure this fits by entering your model number. The filter removes a minimum of 95 % of circulated dust and other particles from 0.3 micron and the filter removes a minimum of 95 % of mold spores and other bio aerosols at micron and up.

The filter works well for odor control and it packed well. Finally, the lennox tri pleat filter is a hypoallergenic and antimicrobial pleated electrostatic filter material.

Most buyers quickly discovered that the filter was supplied by "same day " supply inc. Furthermore, a few also found that the filter had lasted for a full year. Moreover, a few say that the filter is an install yourself and extremely easy. In short, buyers found this to be one of the best filters for daily purposes.

• This comes with great filters, is very good and it is great for timely delivery.
• This fits and works great and is much less expensive than the local HVAC contractor.
• This is easy to install, Ac guy wanted $139 to install for 1.
• This is a quality made deep filter.

Best For Customer Service: Aerostar Air Filter

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The Aerostar Air Filter's superior materials make sure that it ages well with use. The aerostar air filter is great for repeat customers and its price is right. Make sure this fits by entering your model number. These filters are made with electrostatically charged synthetic material that draws and captures allergens between 03.

The filter is good for the same quality and it is compatible with furnaces. Most importantly, the aerostar air filter is great with big savings and it works better.

Most buyers agree that the filter works as well as the manufacturers suggest filter. In addition, they say that the filter is done to fit into a 20" x 18" opening. Moreover, they also found that the filter is the difference in what is called actual size vs. nominal size. In conclusion, for almost all customers, it was what they were looking for.

• This comes with good filters, it works wonderfully and has a nice design.
• 100% synthetic electrostatic media for high efficiency with low air flow resistance.
• This has reduced dust, is great for speed of delivery and it is all around.
• This is highly recommended and it has save money.

Best For Nominal Size: Filterbuy New Filter

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Compared with other filters in this category, the Filterbuy New Filter has a convenient design. The filterbuy new filter can be used in most settings for optimal protection, but they are particularly effective in larger homes and businesses. The Manufacturer says: Our merv 13 filters capture 98% of particles, making them extremely efficient. These are merv 8 filters with activated carbon, so they are recommended when trying to prevent undesirable smells.

The filter is perfect for true size, It has reasonably priced filters and has a nice design. Most importantly, the filterbuy new filter features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products ' lifespan by 3 times that of fiberglass models.

Most customers quickly discovered that the filter is the same size as your current 3m filter, this should fit your unit. Further, they strongly agree that the filter is used to use costs 3x as much. Moreover, a few also found that note: if the air ca n't get through the filter, it can never be filtered.

• This is best for the next day and it has saved money.
• This does not kill any germs as the air passes by.
• These filters are made well and definitely filter as they should.
• The manufacturer says: our filters will work with all furnaces, air conditioners, or hvac systems.

Best For First Time: Filtrete Quality Filter

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The Filtrete Quality Filter's high-end materials make sure that it ages well with use. The filtrete quality filter is good so far and it is highly recommend. For optimal performance, change your home air filter at least every 90 days for 1” filters, and at least every 12 months for 4” and 5” filters. Also, it is perfect for fresh air, can make for cleaner air, it is great for a fair price and has an outstanding design.

Lastly, the filtrete quality filter is good for hard to find filters, is best for fast service and it works for cat hair.

Most buyers quickly discovered that the filters are a direct replacement at a great price. And, they also found that the filter is not the exact size printed somewhere on the filter's border. Further, they say that this does fit the honeywell f100 series, original filter part # fc100a1029.

• It is great to have a spare filter around.
• Sign-up for a filter change reminder program that works for you.
• This is perfect and more substantial/robust than the Honeywell one...better price too.
• This fits great and it is worth the money.

Compatible With Furnaces: Aerostar Tri Pleat Filter

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate filter. The Aerostar Tri Pleat Filter is exactly that - it's a simple filter that hits all the right notes. The aerostar tri pleat filter has features for very good value, is compatible with furnaces and it is disposable. 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 good for good quality, is great for an excellent price and it will for excellent value. Above all, the aerostar tri pleatfilter is maximum, would be perfect with excellent quality and cost - effective.

One customer says - "These are high quality filters that are a fraction of the price of filters at a bigbox store, or even comparing them to other filters on Amazon. ". Almost all customers opine that the filter fits with less struggle, plus it is possible to cut these filters. In short, at the price, they believe that they got a steal of a deal with it.

• This is designed to filter microscopic particles such as lint, dust mites, spores, and pollen.
• 100% synthetic electrostatic media for high efficiency with low air flow resistance.
• New and hot releases.

Best With Scent: Filtrete Tri Pleat Filter

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Not everyone likes to purchase a filter for their regular usage, but the Filtrete Tri Pleat Filter would be an anomoly. The filtrete tripleat filter is residential and it is good for large particles. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool. The filtrete dust reduction filter attracts and captures household dust and is ideal for high - velocity equipment.

Most importantly, the filtrete tri pleat filter is actually fit, It helps create a cleaner and has a nice design.

In short, most buyers call the filter suits best, and no one questions it.

• This can make for cleaner air and it is great for good news.
• Packaging and filter media may vary to mpr 300.
• Sign-up for a filter change reminder program that works for you.
• A cool breeze that carries dust and microscopic debris around your home.

Best For Important Note: Nordic Pure Tri Pleat Filter

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The Nordic pure tri pleat filter's material feels more premium than its price would suggest. The Nordic pure tripleat filter is not necessary to add any potentially irritating chemicals to the air filter to kill germs. The Manufacturer says: Our pleated plus carbon air filters provide heavy-duty air odor fighting power. These pollutants can cause miserable allergy symptoms like coughing, sneezing and watery eyes.

The filter is about 100 microns wide. Moreover, the filter is perfect for a good deal and it allows tilting for hard to find size. Above all, the Nordic Pure Tri Pleat Filter is very good and it is actually fit.

Almost all customers agree that the filter is cheaper, but it fits where others wouldn't. Moreover, a few also found that the filter will tell you what size is appropriate for your make and model. Further, they strongly agree that this would require a hepa air filter for 100 % removal efficiency. Overall, for most customers, Nordic Pure product was just what they wanted.

• The original filter is 19.5 x 24.5 x 3.625, and it works perfectly.
• This is a good inch narrower.
• Nordic pure recommends changing 4" air filters every 3-6 months.
• This filter has an actual depth of 3 - 5/8 inches.

Best For Home Depot: Filterbuy Tri Pleat Filter

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The Filterbuy Tri Pleat Filter's material feels more premium than its price would suggest. The filterbuy tri pleatfilter is residential and its price is fair. The Manufacturer says: From our first air filter sold in 2013, we have proudly built our business in the USA, now manufacturing in Alabama, Florida, Pennsylvania, and Utah. Also, it is affordable and it features the best price.

The filter features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products ' lifespan by 3 times that of fiberglass models. Also, this is made simple with the inclusion of easy-to-understand arrows on the frame that help identify the direction of air flow and subsequently the way the filter needs to be placed. Finally, the filterbuy tri pleat filter is subject to change depending on the filter size as well as other variable factors for pet owners, allergies households with children, etc.

Almost all customers agree that the filters are crowded on one side, which limits the proper air draw through. And, a few also found that the filter is a very loose fit and has a poor seal when inserted. Moreover, they strongly agree that this filter is awesome and a great price. In short, buyers found this to be one of the best filters for daily purposes.

• This is true to size, comes with great filters and it fits properly.
• This has synthetic media and it is good for hard to find size.
• This is slightly undersized and it works well for good quality.
• Regular filter replacements mitigate system malfunctions & reduce energy costs.

Best For Pet Dander: Tridim Pro Tri Pleat Filter

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The Tridim Pro Tri Pleat Filter is capable of outshining several other filters featured in this list in overall features in its price range. And, this is coated with aqua coat treatment for added moisture resistance. This merv 8 filters dust, pollen, pet dander, mold spores, dust and sand so you will not breathe them in while inside your home or business. Finally, the tridim pro tri pleat filter is up to 50% lower than comparable products.

In conclusion, many buyers have used the filter for more than a few months without any issues, and it shows no sign of giving up.

• 18x24x4 tri dim pro merv 8 hvac pleated air filter 6-pack case.
• A merv 8 pleated four-inch air filter, with a merv 9 filter perfromance.
• 18x24x4 air filter (actual size: 17-⅜ x 23-⅜ x 3-¾").