Filterbuy 14x30x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size:

4.6 4.6 out of 5 stars | 21,867 ratings

Price: 46.2

Last update: 04-12-2025


About this item

14x30x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 13.88" x 29.88" x 0.75")
MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more by trapping 95% of airborne particles without impacting air flow
High quality construction features an electrostatically charged design with 14 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)
Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures
Industrial grade components are 100% manufactured in the United States and designed with recyclable materials

Product information

Technical Details


Top reviews from the United States

  • Amazon Customer
    5.0 out of 5 stars Use often
    Reviewed in the United States on January 15, 2025
    We have been using these filters for years. They work great and quality is good. They fit just as described. Air quality and flow are good.
  • Lynne
    5.0 out of 5 stars Best filter for the price—VERY sturdy
    Reviewed in the United States on December 7, 2024
    We actually have two places that require filters, and I chose this brand for both. It was my first time purchasing from them. They were maybe $1 more for the four-pack, but more than worth it. They’re the only filter that states they filter mold that I could find, and they are incredibly sturdy. They are also perfectly sized. This is the only brand we’ll be purchasing in the future.
  • Linda Bel
    5.0 out of 5 stars These are just great!
    Reviewed in the United States on December 17, 2024
    My AC unit is old. The frame works for the cheap-ass filters the apartment complex provides, but those don't filter anything. And the filters I've been able to find in the stores are too wide to fit in the frame. And then one of our maintenance guys told me about these. They are a perfect fit. They actually filter dust and pet fur. And they are affordable. These are a win-win-win!
  • Lizzy34
    4.0 out of 5 stars Filterbuy 15x20x1 Air Filter MERV 11 Allergen Defense (4-Pack)
    Reviewed in the United States on September 19, 2024
    These filter work great and are a great value for ordering four or five pack. They do the job in filtering in most if the pollen, dust mites, and any particles in the air going through my indoor unit. Very reliable brand of filters.
  • T. Gannon
    5.0 out of 5 stars Good product and convenient.
    Reviewed in the United States on January 30, 2025
    Have been using these for about 2 years. They work well, fit fine and catch a lot of dust, hair, etc. The auto delivery feature just makes it so convenient. I have a reminder to change it and it gets delivered on time so perfect. There may be better products and or prices out there but this is an ideal solution for me.
  • JV
    5.0 out of 5 stars Great for filtration
    Reviewed in the United States on December 21, 2024
    These are some of the best filters for cleaning the air. They are so good that they get full of dirt quickly and impede airflow much sooner than other filters that don't scrub the air as well. The challenge I had is that because they are so good you have to change them about every 2-3 weeks because air flow reduces and makes you HVAC system work harder and they get noisy. If you get these, make sure you buy more so you can change them more regularly.
  • Lee
    5.0 out of 5 stars Excellent product
    Reviewed in the United States on January 6, 2025
    Works great and is the correct size- can't find in stores easily.
  • Cecil T
    5.0 out of 5 stars Impressive
    Reviewed in the United States on January 18, 2025
    I am impressed with the difference between what a MERV 8 filter catches and a MERV 11. The MERV 11 catches much more dust, etc than the 8. Well worth the extra expense.

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