|Item Weight||8 ounces|
|Product Dimensions||13.5 x 24.5 x 0.8 inches|
|Item model number||ALLERGY-142501-6|
|Size||14 x 25 x 1|
|Item Package Quantity||1|
|Minimum Efficiency Reporting Values (MERV)||11|
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AIRx ALLERGY 14x25x1 MERV 11 Pleated Air Filter - Made in the USA - Box of 6
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- MERV 11 furnace filter premium pleated filter, actual size 13.5" x 24.5" x .75"
- Traps mold, pet dander, smoke particles, pollen and dust mite debris for allergen protection
- More pleats than most retail air filters - better energy efficiency and captures more particles
- Made in USA
- Compare to 3m Filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters
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Use AiRx Allergy 14x25x1 furnace filters to turn your air conditioning and heating system into a whole house air cleaner, dramatically reducing mold, pet dander, smoke particles, dust, pollen and dust mite debris throughout your home. Using a MERV 11 HVAC filter media, these 14" x 25" x 1" air filters act like a micro-particle magnet. AiRx Allergy AC filters trap and lock allergy related particles, protecting your entire home. Make your home a healthier haven and shelter your loved ones from air contaminants. AiRx Allergy filters not only protect you from allergens, dust and debris, they also protect your heating and air conditioning equipment from clogging with dust, affording optimal operating efficiency, better airflow and reduced energy and maintenance costs. AiRx Allergy 14x25x1 Air Filters outperform fiberglass, washable, reusable one-inch filters and typical pleated filters by using more pleats per square inch and high efficiency filter media. More pleats means better airflow and reduced energy costs as well as better dust holding capabilities. Buy with confidence and expect these filters to last 90 days in most homes or for increased energy efficiency, replace filters every 2 months. Compare these filters with 3M Filtrate brand filters with MPR800 - MPR1200 ratings, including Micro Particle, Allergen Reduction and Allergen Defense models.
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1) "No markings on the filter--is this what I paid for?" - The MERV rating is very easy to miss, but it is there, so I've included a picture. (It's on the filter material, not on the frame.) Also, the brand and size can be found on the outside of the shipping box, which also doubles as a storage box for the filters, and features a label on the side where you can record the dates you've changed your filters. I've included pictures of all this, as well.
My assumption about the lack of fancy packaging, color print, and copious labeling is that this is part of the reason these filters are offered at such an affordable price. I'll take it, especially since these are made in the USA. (Nobody sees the filter once it goes inside the unit, so I don't really care about the packaging. I just care that it does the job.)
2) "I would've liked more folds." - The filters I received have a comparable number of folds to my old, name-brand filters. While I was looking at this, I noticed that the frame of these filters is actually sturdier than my name-brand filters on the non-airflow side, so I've also included pictures of both sides of each filter for comparison.
3) "Annoying whistle." - I have not experienced this with the filters I received. I am happy with these filters, and will be purchasing again when needed.
One word of caution: you probably already know that these filters have a high MERV rating of 11. This is great to grab microparticles from the air and will undoubtedly help allergy sufferers. However, a higher MERV rating means more resistance for airflow. Many furnace systems are not capable of generating the air flow required to maintain proper operating efficiency with this resistance.
To illustrate, my furnace runs wonderfully with a new filter. The issue is that it begins “short cycling” after approximately 3-4 weeks of these filters being in place. I realize many change out filters this often (as do I), but if airflow is restricted enough to cause short cycling when the time to change the filter out, damage to the furnace is already being done. Clearly this is no fault of the filters, it’s simply a symptom of a blower that’s not up to the task on my unit. The solution, as much as my allergies hate me for it, is to buy filters with a lower MERV rating. It is what it is. Just a word of caution to check your furnace’s specs to make sure it can handle these filters, and if your unit is aging, perhaps consider a filter with a lower MERV rating.
I'm now buying the cheap roughly MERV 7 (FPR 4 from Home Depot) filters which cost less than these and have less restriction but still seem to filter decently enough for my needs.
If you're new to picking out filters, they come in a bevy of "efficiency" ratings (e.g. how small the particles and how well removed). However there's a trade off for a higher efficiency filter.
Look at it this way: The perfect filter (allowing zero particles of the smallest size imaginable) would be a solid piece of cardboard, but that's not so good at letting air through, whereas the filter with the least resistance to air flow would be "nothing" but that's not good at removing particles.
So the more efficient the filter, the more resistance to air flow, which translates into more backpressure on the supply of air, and less air flow into your house. So pick wisely (as in Indiana Jones).