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FiltersFast 4-Inch Air Filters MERV 11 - 3-pack
FF4M11



Note: The pleats inside the FiltersFast FF4M11 have changed from white to blue.
The FiltersFast FF4M11 air filter can be used in the following applications:
- Commercial
- Residential
Price listed is for three 4-inch filters.
FiltersFast air filters are an economical alternative if you're looking for a quality air filter without paying a premium price! This three pack of 4 inch air filters comes in a variety of sizes and are a cost effective upgrade from simple fiberglass or poly pleated filters. These 4 inch furnace filters effectively reduce pollen, dust, pet dander, mold spores, dust mites and other allergens from your indoor air. Removing these airborne particles can help improve allergies and alleviate sinus irritation that can cause watery eyes, itchy throat, coughing, and sneezing. Aside from the health benefits, having these FiltersFast MERV 11 furnace filters in your home will also extend the life of your heating and cooling system by making it work more efficiently. FiltersFast 4-Inch Air Filters MERV 11 - 3-pack Specifications: The FiltersFast 4 inch Air Filters are available in the following sizes: Prices listed are for a 3-pack of filters. Don't see the size you need? Let us know, we can special order it for you! Email us at [email protected] The chart below will show you what you can remove with a MERV 13 air filter, a MERV 11 air filter, or a MERV 8 air filter.
Nominal Size
Actual Size
12X24X4
11-3/8x23-3/8x3-1/2
16x20x4
15-1/2x19-1/2x3-1/2
16x25x4
15-3/8x24-3/8x3-5/8
18x24x4
17-1/2x23-1/2x3-1/2
20x20x4
19-1/2x19-1/2x3-1/2
20x24x4
19-3/8x23-3/8x3-1/2
20x25x4
19 3/8 x 24 3/8 x 3 5/8
24x24x4
23-5/16x23-5/16x3-5/8
25x29x4
24-1/2x28-1/2x3-1/2
Product Reviews :
Average rating :
Number of reviews : 7
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prestondave Wednesday, August 01, 2018
I' ve been purchasing 4 inch filters for some time. Fast Filters is FAST at very low cost. Their ' packaging' for shipping leave a bit to be desired. Numerous times the filters arrived ' crushed' on one end or the other from shipping. To their credit, they have responded by replacing the damaged filters.
keith0391 Thursday, July 19, 2018
Filters came fast and in good condition
oehlert_don Wednesday, July 18, 2018
I ordered these filters, and about 4 days later, they were on my doorstep! They fit well, they filter the air well, and are an excellent value for what you pay.
jskulp Wednesday, July 18, 2018
The filters are precisely sized, do an excellent filtering job and are long lasting. This is the second time I have ordered them from Filters Fast...
thaylok Wednesday, July 18, 2018
I received my 3-pack of filters and they were just what i needed for my system at an afordable price which is about 1/2 of what i would have paid at lowes (the only big box store that carries that size filter in my town).
amondson22 Wednesday, July 18, 2018
I' ll be a repeat shopper!
melloway Wednesday, July 18, 2018
These are great and very reasonably priced filters. I’ve been using them for the past nine years.