*Please be advised that some larger filters require an additional cost (see dropdown window above).
- Size Actual Dimension
12x24x4 11.375" x 23.375" x 3.625"
16x20x4 15.5" x 19.5" x 3.625"
16x25x4 15.5" x 24.5" x 3.625"
18x24x4 17.375" x 23.375" x 3.625"
20x20x4 19.5" x 19.5" x 3.625"
20x24x4 19.375" x 23.375" x 3.625"
20x25x4 19.5" x 24.5" x 3.625"
24x24x4 23.375" x 23.375" x 3.625"
25x29x4 24.375" x 28.375" x 3.625"
MERV 13 Filters Fast® 4" Allergy AC and Furnace Filter 3-Pack
The Filters Fast® 4-inch Air Filters (FFM136) have a MERV 13 rating and are useful in a variety of settings, including homes, offices, and industrial sites. These MERV 13 filters effectively reduce pollen, dust, pet dander, mold spores, and dust mites, as well as bacteria, smoke, smog, and other allergens. The higher quality construction from these 4-inch filters benefits health and respiration, including alleviating problems with allergies and sinus irritation that might lead to itchy throat, watery eyes, coughing, and sneezing. 4-inch air filters are also more effective than thinner filters because their larger surface areas are much more durable. Filters Fast® air filters are affordable without sacrificing quality. These HVAC air filters arrive in a variety of sizes to meet your air quality needs.
Note: These filters do not contain fiberglass.
- Brand: Filters Fast®
- Part Number: FFM136, Ffm1362
- Pack Size: 3
- Filter Life: 6 - 12 months
- MERV Rating: 13
The Filters Fast® M13 Air Filters are available in the following sizes:
|Nominal Size||Actual Size||Alternate Part Number|
Please note that if you are unsure whether you need an actual or nominal size simply measure your air filter before placing your order.
We can make any size filter! Click here if you don't see your size! NOTE: Custom made air filters do not come individually wrapped.
Sure beats groveling around in a store. Plus you have great products at a fair price. Couldn’t be more satisfied.Collected by Trustpilot.com
They fit well.Collected by Trustpilot.com
Works good and looks goodCollected by Trustpilot.com
High quality, much better than the old ones we used to use.Collected by Trustpilot.com
Unfortunately, there was no label on the filter themselves, but the label is on the shipping box. I'm not sure if this is to save money but it was confusing on my part. Have not used them yet. Got them in advance. I bought them while on sale.Collected by Trustpilot.com
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It works.Collected by Trustpilot.com
I have been using these filters for about 4 years. They are terrific. The amount of dust they pull out of the air circulating in our house is dramatic. We can immediately tell the difference in the air when we change them out. We are so glad we made the move from the thinner filters to this product.Collected by Trustpilot.com
Perfect size and arrived very quick!Collected by Trustpilot.com
Very good product and satisfied with delivery serviceCollected by Trustpilot.com
Perfect High Quality fitCollected by Trustpilot.com
Product is exactly what I need.Collected by Trustpilot.com
They are very expensive, but they are expensive everywhere. I love the service, quick and efficient, from FiltersFast.Collected by Trustpilot.com
Filters were all under sized by 1/2 inch so the air would just take the low resistance path rendering the filters useless. Called customer service an it was obvious the rep did not care to hear about it. She refund the purchase price and told me to trash them. Such a waste to my time and just more junk for the trash. If you need a furnace filter go with a reputable company not Filtersfast.Collected by Trustpilot.com
Product was as shown and arrived on time. I would purchase this product again.Collected by Trustpilot.com
arrived on timeCollected by Trustpilot.com
Great value. Fast delivery. Excellent communication.Collected by Trustpilot.com
Highly effective filters. Much improved capturing of dust and pollen resulting in better air quality.Collected by Trustpilot.com
Cannot judge the quality of these Rve13 filters at this time, it is the first time I use them and they were just installedCollected by Trustpilot.com
Just switched from MERV 11 to MERV 13 filters, have not installed yet. This company has fast delivery service. Very satisfied so farCollected by Trustpilot.com
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