- Size Actual Dimension
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12x24x4 11.375" x 23.375" x 3.625"
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16x20x4 15.5" x 19.5" x 3.625"
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16x25x4 15.5" x 24.5" x 3.625"
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18x24x4 17.375" x 23.375" x 3.625"
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20x20x4 19.5" x 19.5" x 3.625"
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20x24x4 19.375" x 23.375" x 3.625"
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20x25x4 19.5" x 24.5" x 3.625"
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24x24x4 23.375" x 23.375" x 3.625"
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25x29x4 24.375" x 28.375" x 3.625"
Product Availability
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Merv 13 FiltersFast 1" Allergy AC and Furnace Filters 6-Pack
True HEPA Allergy Relief Desktop & Small Room Air Purifier
Comfortable, Reusable Particulate Respirator Facemask by RZ Mask - Meets N95 & N99 StandardsThe FiltersFast 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. FiltersFast 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.
Specifications:
- Brand: FiltersFast
- Part Number: FFM136, Ffm1362
- Pack Size: 3
- Filter Life: 6 - 12 months
- MERV Rating: 13
Available Sizes:
The FiltersFast M13 Air Filters are available in the following sizes:
| Nominal Size | Actual Size | Alternate Part Number |
|---|---|---|
| 12x24x4 | 11.375x23.375x3.625 | PF13.0412243PFF |
| 16x20x4 | 15.375x19.375x3.625 | PF13.0416203PFF |
| 16x25x4 | 15.375x24.375x3.625 | PF13.0416253PFF |
| 18x24x4 | 17.375x23.375x3.625 | PF13.0418243PFF |
| 20x20x4 | 19.375x19.375x3.625 | PF13.0420203PFF |
| 20x24x4 | 19.375x23.375x3.625 | PF13.0420243PFF |
| 20x25x4 | 19.375x24.375x3.625 | PF13.0420253PFF |
| 24x24x4 | 23.375x23.375x3.625 | PF13.0424243PFF |
| 25x29x4 | 24.375x28.375x3.625 | PF13.0425293PFF |
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.
Resources:
FFM13 Air Filter - MERV 13 - Specification Data Sheet
Customer Reviews:
arrived on time
Collected by Trustpilot.comGreat value. Fast delivery. Excellent communication.
Collected by Trustpilot.comHighly effective filters. Much improved capturing of dust and pollen resulting in better air quality.
Collected by Trustpilot.comCannot judge the quality of these Rve13 filters at this time, it is the first time I use them and they were just installed
Collected by Trustpilot.comJust switched from MERV 11 to MERV 13 filters, have not installed yet. This company has fast delivery service. Very satisfied so far
Collected by Trustpilot.comEasy to order and fast delivery - great service.
Collected by Trustpilot.comThis MERV 13 filter fit perfectly. Functions flawlessly.
Collected by Trustpilot.comHigh quality reliable service
Collected by Trustpilot.comEasy and quick delivery
Collected by Trustpilot.com