Name: Filterbuy 18x24x1 MERV 11 (MPR 1200) Allergen Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)
Brand: Filterbuy
SKU: 1EQ6GCURDC1D
Price: 60.69 CAD
Availability: InStock
Rating: 4.2 (76 reviews)

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Filterbuy 18x24x1 MERV 11 (MPR 1200) Allergen Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)

<ul><li>18x24x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17.38" x 23.38" x 0.75")</li><li>MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more while trapping 95% of dust particles without impacting air flow</li><li>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)</li><li>Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures</li></ul>

Brand

The Filterbuy replacement air filter 18x24x1 (actual size: 17.38" x 23.38" x 0.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 11 synthetic media (comparable with Micro Allergen Defense MPR 1000 - 1200 & FPR 7) is recommended if you have pets or allergies with its capability to trap 95% of dust particles while protecting your home or business from smoke, smog, lint, pollen, mold, dander, and other forms of debris without impacting air flow. High quality construction features an electrostatically charged design with 14 pleats per foot that captures more harmful particles and prolongs the products lifespan by three times that of fiberglass models (replace every 90 days for best results). Plus, our industrial grade beverage board frames are paired with dual wire backings that significantly outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit and withstand exposure to moisture. Installation is also made simple with the addition of easy-to-understand arrows that help identify the direction of air flow and subsequently the way the filter needs to be placed. To top it off, all our components are 100% manufactured within the United States and designed with recyclable materials, providing an eco-friendly alternative to enhancing your air quality.

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Pleats in newest filter appear to be much stronger and should perform better than those in the past. I won't have an opportunity to evaluate this until 1st Qtr 2026, since I still have ample inventory from my last FilterBuy.

New FilterBuy product appears to be much stronger!

Filterbuy

We have a forced hot air furnace in our home and I always know where to get my filters. Filterbuy site is easy to navigate and to make a purchase. I have ordered from other sites in the past and the size was always to spec. Filterbuy filters take into consideration the fact that it needs to fit into the return and are always a perfect fit.

Perfect Fit

First of all the filters were not damaged! I have ordered elsewhere from other stores and they always came damaged. These filters have a sturdy frame, filters very well and priced very reasonably. Also, made in the U.S.A. I am a first time buyer from them and will feel very comfortable purchasing filters from them in the future.

Great filters

Easy to order and they are so close to home- great service

quick and easy

It was great to find filters for an unusual size vent. I have shared this info with two others who had been cutting a large filter in half to fit their vent.

It was great to find

The quality of the filter is fine; however, cutting corners by making the size slightly smaller has resulted in making the filter too loose. I had to add a block to the edge so that the strong suction would not pull particles through the loose edge which would make the purpose of the filter useless. I shouldn't have to alter what I purchased to be the ideal fit. The cheap temporary filtrete filter I used fit like a glove. Can you correct this for me?

Too loose

The pleated portion of the filter is not glued or attached to the frame (card board)very well making it very easy for the induced air to bypass the filter. Size is smaller than the filter I am currently using. Again air can bypass the filter. I am not happy with the quality of the filter not the way it fits into my duct work housing.

The pleated portion of the

The size of 18X24X1 is horribly misleading. The fine print gives the actual size, but it's easy to miss. The filter makes a loud noise when the furnace goes on or off because it is too small and has a lot of play.

The size of 18X24X1 is

These filters do not even come close to the Filtrete filters I use. I ordered 18 X 24 x 1, and what I received was a quarter inch smaller all the way around. I am totally dissatisfied with this and I will not be buying from this company again unless they make it right? I bought four of these and they are useless!!!

DO NOT FIT!!

The filters have smaller outside dimensions than the ones I have previously used and do not fit firmly in the filter housings. They flop around in the housing and do not seal properly. There is a whistling noise when the air handler is on. This has never happened with the other filters I have used. Some of the the filters look like they are put together poorly the filter material is crushed and not evenly spaced. I am not happy with this product and would not buy again.

Noisey filters