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Filters Fast® Replacement for 3M Filtrete MPR 1550 Allergen, Bacteria & Virus Air Filter (Purple) - 3-Pack

Ultra-Allergen-4in-2pk

$92.95
Only $30.98 per Filter
Retail: $119.99 /ea
You Save: 23%
As low as
$92.95
Retail: $119.99
You Save: 23%
4 MERV 13 Air Filter Sizes :
Ships in 1 to 2 business days.
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Frequently Bought With This Item

The Filters Fast® Replacement for 3M Filtrete MPR 1550 Allergen, Bacteria & Virus Air Filter (Purple) - 3-Pack 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.

Specifications:

  • Brand: Filters Fast®
  • Part Number: FFM136, Ffm1362
  • Replaces Part Numbers: 4" 3M Filtrete MPR 1550 Allergen, Bacteria & Virus Air Filters
  • Pack Size: 3
  • Filter Life: 6 - 12 months
  • MERV Rating: 13

Available Sizes:

The 4" MERV 13 Furnace & AC Air Filters by Filters Fast® are available in the following sizes:

Nominal Size Actual Size Alternate Part Number
12x24x4 11.375x23.375x3.625 PF13.0412243PFF, ffm136-12244
16x20x4 15.5x19.5x3.625 PF13.0416203PFF, ffm136-16204
16x25x4 15.5x24.5x3.625 PF13.0416253PFF, ffm136-16254
18x24x4 17.375x23.375x3.625 PF13.0418243PFF, ffm136-18244
20x20x4 19.5x19.5x3.625 PF13.0420203PFF, ffm136-20204
20x24x4 19.375x23.375x3.625 PF13.0420243PFF, ffm136-20244
20x25x4 19.5x24.5x3.625 PF13.0420253PFF, ffm136-20254
24x24x4 23.375x23.375x3.625 PF13.0424243PFF, ffm136-24244
25x29x4 24.375x28.375x3.625 PF13.0425293PFF, ffm136-25294

Please note that if you are unsure whether you need an actual or nominal size simply measure your air filter before placing your order.

Custom Sizes:

  • If you don' t see your size, order a custom made air filter! Custom made air filters do not come individually wrapped.

How do you install the 4" MERV 13 Furnace & AC Air Filter by Filters Fast®?

  1. Once your air filters arrive, gather your supplies including a ladder (if needed,) safety goggles, gloves, a mask, and a disposable bag.
  2. Remove the metal grate from your air return.
  3. Carefully remove the used air filter and place it immediately and gently into the disposable bag. Then tie the bag sealed.
  4. Place the new air filter in place of the filter you just removed and replace the metal grille.

How often should you replace the 4" MERV 13 Furnace & AC Air Filter by Filters Fast®?

  • Changing your 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a very quick and easy process that should be done once every six to twelve months.

What contaminants does the 4" MERV 13 Furnace & AC Air Filter by Filters Fast® reduce?

  • The 4" MERV 13 Furnace & AC Air Filter by Filters Fast® is a MERV 13 air filter, which means that it reduces the following contaminants:

    • Dust
    • Pollen
    • Mold Spores
    • Bacteria
    • Pet Dander
    • Dust Mites
    • Smoke & Smog
    • Virus Carriers
    • Other Common Airborne Allergens

Resources:

Compatible Parts:

The Filters Fast® Replacement for 3M Filtrete MPR 1550 Allergen, Bacteria & Virus Air Filter (Purple) - 3-Pack is the correct replacement for the following part numbers:

Part Number
4582
70-0069-6104-2
7010251653
7010273781
7010277439
FFM136-12244
FFM136-16204
FFM136-16254
FFM136-18244
FFM136-20204
FFM136-20244
FFM136-20254
FFM136-24244
FFM136-25294
NDP01-4IN-2P-2
NDP03-4IN-2P-2-OLD
PF13.0412243PFF
PF13.0416203PFF
PF13.0416253PFF
PF13.0418243PFF
PF13.0420203PFF
PF13.0420243PFF
PF13.0420253PFF
PF13.0424243PFF
PF13.0425293PFF
GENERALAIRE 4581
GENERALAIRE F1021
No results for {X}

Compatible Models:

The Filters Fast® Replacement for 3M Filtrete MPR 1550 Allergen, Bacteria & Virus Air Filter (Purple) - 3-Pack is correct replacement for the following model numbers:

BrandModel NumberDescription
GeneralAire TERSUS 1200 Air Cleaner
No results for {X}

Customer Reviews:

Total Reviews: 136 Average Rating: 4.8 / 5.0

Filtersfast Reviews on Trust Pilot external site
Do not create an acnt2026-06-06

Very pleased with the quality

Collected by Trustpilot.com
Seth Wilburn2026-06-01

allows us to change the filter every other month.

Collected by Trustpilot.com
Edward Fazendin2026-05-30

The dimensions of the filters were not as described.

Collected by Trustpilot.com
Charles2026-05-29

i have used these filters for many years. They perform as they should and were recommended by my HVAC tech

Collected by Trustpilot.com
Joseph Adamo2026-05-28

Good but a little small

Collected by Trustpilot.com
Barbara2026-05-10

High quality

Collected by Trustpilot.com
Douglas Maule2026-05-09

Product is not true the size, seems like you’re trying to cost by making them smaller. They flop around inside the housing.

Collected by Trustpilot.com
Jim Kriksciun2026-05-04

Great service!

Collected by Trustpilot.com
Brian Wiedmer2026-04-26

the easy order and the cost is the reason I keep ordering from your company.

Collected by Trustpilot.com
Dolores Swearingencustomer2026-04-14

Just the right size for our furnace after trying unsuccessfully buying other brands

Collected by Trustpilot.com
Marty Thomas2026-03-14

I have used the same filters for years I change them every 3 months. Good value for the price.

Collected by Trustpilot.com
David Barnett2026-03-05

Great company that stands by their products.

Collected by Trustpilot.com
Thomas Slebodnik2026-02-15

Very good product for the price.

Collected by Trustpilot.com
John Evans2026-01-22

Arrived in perfect condition, exactly what was ordered

Collected by Trustpilot.com
Mariette House2026-01-09

Catches air contanimets as advertised. Very high quality.

Collected by Trustpilot.com
Annie Faulkner2026-01-08

Good quality, work well!

Collected by Trustpilot.com
Johnnie2025-12-29

Good fit and product

Collected by Trustpilot.com
Sheridan2025-12-15

Works but not exactly same fit as Honeywell 20x25x4.

Collected by Trustpilot.com
Vicki2025-11-26

Very nice filters, well constructed.

Collected by Trustpilot.com
Bill2025-11-24

Easy purchase. Good product. Fair price. Tnx.

Collected by Trustpilot.com


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