- Size Actual Dimension
-
08x08x1 8" x 8" x 0.75"
-
10x10x1 9.75" x 9.75" x 0.75"
-
10x20x1 9.75" x 19.75" x 0.75"
-
10x24x1 9.5" x 23.5" x 0.75"
-
12x12x1 11.75" x 11.75" x 0.75"
-
12x18x1 11.75" x 17.75" x 0.75"
-
12x20x1 11.75" x 19.75" x 0.75"
-
12x24x1 11.75" x 23.75" x 0.75"
-
12x25x1 11.75" x 24.75" x 0.75"
-
12x30x1 11.75" x 29.75" x 0.75"
-
12x36x1 11.5" x 35.5" x 0.75"
-
13x21.5x1 13" x 21.5" x 0.75"
-
14x14x1 13.75" x 13.75" x 0.75"
-
14x15.5x1 14" x 15.5" x 0.75"
-
14x18x1 13.75" x 17.75" x 0.75"
-
14x20x1 13.75" x 19.75" x 0.75"
-
14x24x1 13.75" x 23.75" x 0.75"
-
14x25x1 13.75" x 24.75" x 0.75"
-
14x30x1 13.75" x 29.75" x 0.75"
-
15x20x1 14.75" x 19.75" x 0.75"
-
16x16x1 15.75" x 15.75" x 0.75"
-
16x20x1 15.75" x 19.75" x 0.75"
-
16x24x1 15.75" x 23.75" x 0.75"
-
16x25x1 15.75" x 24.75" x 0.75"
-
16x30x1 15.75" x 29.75" x 0.75"
-
16x32x1 15.5" x 31.5" x 0.75"
-
17.5x23.5x1 17.5" x 23.5" x 0.75"
-
18x18x1 17.75" x 17.75" x 0.75"
-
18x20x1 17.75" x 19.75" x 0.75"
-
18x22x1 17.75" x 21.75" x 0.75"
-
18x24x1 17.75" x 23.75" x 0.75"
-
18x25x1 17.75" x 24.75" x 0.75"
-
18x30x1 17.75" x 29.75" x 0.75"
-
20x20x1 19.5" x 19.5" x 0.75"
-
20x21.5x1 20" x 21.5" x 0.75"
-
20x21x1 19.75" x 20.75" x 0.75"
-
20x22x1 19.75" x 21.75" x 0.75"
-
20x24x1 19.75" x 23.75" x 0.75"
-
20x25x1 19.75" x 24.75" x 0.75"
-
20x30x1 19.875" x 29.875" x 0.75"
-
21.5x23.2x1 21.5" x 23.25" x 0.75"
-
22x22x1 21.75" x 21.75" x 0.75"
-
23.5x23.5x1 23.5" x 23.5" x 0.75"
-
24x24x1 23.75" x 23.75" x 0.75"
-
24x30x1 23.875" x 29.875" x 0.75"
-
25x25x1 24.75" x 24.75" x 0.75"
-
30x30x1 29.5" x 29.5" x 0.75"
-
30x36x1 29.5" x 35.5" x 0.75"
Filters Fast® 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack
FFM8 6pk RH
The Filters Fast® 1" Air Filters MERV 8 With Pleats 6-Pack is the compatible replacement for the Rheem Basic Household Pleated FPR 4 1" Air Filter. The Filters Fast® FFM8 6-Pack is a fantastic set of MERV 8 filters that effectively reduce pollen, dust, pet dander and other allergens from indoor air. The Filters Fast® FFM8 6-Pack removes harmful airborne particles which alleviates allergies and sinus irritation that can cause watery eyes, itchy throat, coughing, and sneezing. Besides the health benefits, these Filters Fast® HVAC air filter will help your heating and cooling system operate more efficiently, thus saving you and your family money.
The Rheem FPR (Filter Performance Rating) 4 is the same rating as the Filters Fast® ' s 1" MERV 8. Filters Fast® recommends MERV rated air filters because MERV (Minimum Efficiency Reporting Value) is recognized by the American Society of Heating, Refrigeration and Air Conditioner Engineers - ASHRAE and is a recognized industry standard.
Filters Fast® FFM8 6-Pack Filter Specifications:
- Part Number: FFM8 6-Pack
- Pack Size: 6 Filters
- MERV Rating: 8
- Filter Type: Electrostatic pleated
- Material: Synthetic
- Tolerance: (+/- ) 1/8" tolerance
- Replace every 3 months
- For residential use only
- Filters Fast® FFM8 6-Pack Specification Data Sheet
The Filters Fast® FFM8 6-Pack replaces the following filters:
- Aerostar Air Filters
- Dupont Silver
- Dupont Silver Extra
- Dupont Bronze
- Dupont Contractor
- Dupont Allergen Air filters
- Filtrete Micro Allergen Filters
- Rheem Basic Household FPR 4
The Filters Fast® FFM8 6-Pack 1" Air Filter is available in the following sizes:
Nominal Size Actual Size
- 08x08x1 Air Filter 8.0x8.0x0.75
- 10x10x1 Air Filter 9.75x9.75x.75
- 10x16x1 Air Filter 9.75x15.5x.75
- 10x20x1 Air Filter 9.75x19.75x.75
- 10x24x1 Air Filter 9.5x23.5x.75
- 10x30x1 Air Filter 9.75x29.75x.75
- 12x12x1 Air Filter 11.75x11.75x.75
- 12x15x1 Air Filter 11.5x14.5x.75
- 12x16x1 Air Filter 11.75x15.75x.75
- 12x18x1 Air Filter 11.75x17.75x.75
- 12x20x1 Air Filter 11.75x19.75x.75
- 12x22x1 Air Filter 11.75x21.75x.75
- 12x24x1 Air Filter 11.75x23.75x.75
- 12x25x1 Air Filter 11.75x24.75x.75
- 12x30x1 Air Filter 11.75x29.75x.75
- 14x14x1 Air Filter 13.75x13.75x.75
- 14x15.5x1 Air Filter 14" x15.5" x.75"
- 14x18x1 Air Filter 13.75x17.75x.75
- 14x20x1 Air Filter 13.75x19.75x.75
- 14x24x1 Air Filter 13.75x23.75x.75
- 14x25x1 Air Filter 13.75x24.75x.75
- 14x30x1 Air Filter 13.75x29.75x.75
- 15x20x1 Air Filter 14.75x19.75x.75
- 15x25x1 Air Filter 14.75x24.75x.75
- 16x16x1 Air Filter 15.75x15.75x1
- 16x18x1 Air Filter 15.75x17.5x.75
- 16x20x1 Air Filter 15.75x19.75x.75
- 16x24x1 Air Filter 15.75x23.75x.75
- 16x25x1 Air Filter 15.75x24.75x.75
- 16x30x1 Air Filter 15.75x29.75x.75
- 16x32x1 Air Filter 15.5x31.5x.75
- 18x18x1 Air Filter 17.75x17.75x.75
- 18x20x1 Air Filter 17.75x19.75x.75
- 18x22x1 Air Filter 17.75x21.75x.75
- 18x24x1 Air Filter 17.5x23.75x.75
- 18x25x1 Air Filter 17.5x24.75x.75
- 18x30x1 Air Filter 17.75x29.75x.75
- 20x20x1 Air Filter 19.5x19.5x.75
- 20x21.5x1 Air Filter 20" x21.5" x.75"
- 20x21x1 Air Filter 19.75" x20.75" x.75"
- 20x22x1 Air Filter 19.75x21.75x.75
- 20x24x1 Air Filter 19.75x23.75x.75
- 20x25x1 Air Filter 19.75x24.75x.75
- 20x30x1 Air Filter 19.75x29.75x.75"
- 21.5x23.2x1 Air Filter 21.5" x23.25" x.75"
- 22x22x1 Air Filter 21.75x21.75x.75
- 24x24x1 Air Filter 23.5x23.5x.75
- 24x30x1 Air Filter 23.875x29.875x.75
- 25x25x1 Air Filter 24.75x24.75x.75
- 30x30x1 Air Filter 29.5x29.5x.75
- 30x36x1 Air Filter 29.5x35.5x.75
NOTE: If you don' t see your size, order a custom made air filter! Custom made air filters do not come individually wrapped. Please be advised that some larger filters require an additional cost (see dropdown window above).
Additional Resources:
For more information on air filter efficiency ratings, check out our resources below!

Note: These filters do not contain fiberglass.
Compatible Parts:
The Filters Fast® 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack is the correct replacement for the following part numbers:
Compatible Models:
The Filters Fast® 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack is correct replacement for the following model numbers:
Customer Reviews:
All good. Thank you.
Collected by Trustpilot.comLesser quality than I was expecting. Will upgrade next time!
Collected by Trustpilot.comGood filters for fair price
Collected by Trustpilot.comFits my a/c perfectly. Love the ease of use . Great price and fast shipping.
Collected by Trustpilot.comEasy ordering & prompt shipping
Collected by Trustpilot.comExcellent
Collected by Trustpilot.comI’ve used these for many years and they’re perfect for me.
Collected by Trustpilot.comHigh quality helps keep everything running smoothly.
Collected by Trustpilot.comIt works well
Collected by Trustpilot.comUsed the same filter for a while, seem to do a good job, arrived quickly from supplier, seem to be fair price compared to other brands.
Collected by Trustpilot.comEasy to order and quick delivery.
Collected by Trustpilot.comThe filters are a good value and work well
Collected by Trustpilot.comBeen ordering these a/c filters several times. Product and price very economical.
Collected by Trustpilot.comExactly as advertised
Collected by Trustpilot.comThe price and quality of this filter is perfect for our system
Collected by Trustpilot.comThe filters are good enough for me.
Collected by Trustpilot.comCan't beat the price...can't beat the quality..and certainly can't beat the service!!
Collected by Trustpilot.comJust as good as any good filter for a good price and delivered in good packaging.
Collected by Trustpilot.comexcellent materials used to fabricate the filters I ordered. They hold up well and do the job they're intended for. Thank you for a quality product.
Collected by Trustpilot.comGreat filters that can come on a keep full basis. Very handy for a busy life!
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