4" MERV 8 Furnace & AC Air Filter by Filters Fast® - 3-Pack
FF4M8
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1" MERV 8 Furnace & AC Air Filter by Filters Fast® - 6-Pack
2" MERV 8 Furnace & AC Air Filter by Filters Fast® - 6-PackThe 4" MERV 8 Furnace & AC Air Filter by Filters Fast® - 3-Pack is a whole-house HVAC replacement air filter designed to improve indoor air quality by effectively reducing contaminants 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. The MERV 8 filter media is electrostatically charged and constructed with spun micro-fiber that also will not retain moisture, which can lead to microbial growth.
Note: These filters do not contain fiberglass.
Key Benefits:
- Available in multiple sizes to fit a wide range of residential HVAC systems.
- 4-inch deep pleated media provides greater dust-holding capacity and longer filter life than standard 1-inch filters.
- Improves indoor air quality by reducing airborne particles such as dust and pollen.
- Supports HVAC performance by helping keep system components cleaner while maintaining proper airflow.
- Designed for dependable replacement performance and value.
- Simple installation as a direct replacement for compatible 4-inch media filters.
Specifications:
- Brand: Filters Fast®
- Part Number: FF4M8
- Pack Size: 3
- Filter Life: 6 - 12 Months
- MERV Rating: 8
- Filter Type: Electrostatic pleated
- Material: Synthetic
- For commercial and residential use
Available Sizes:
The 4" MERV 8 Furnace & AC Air Filter by Filters Fast® is available in the following sizes:
| Nominal Size | Actual Size | Alternate Part Number |
|---|---|---|
| 12x24x4 Air Filter | 11.375x23.375x3.625 | PF8.0412243PFF |
| 16x20x4 Air Filter | 15.375x19.375x3.625 | PF8.0416203PFF |
| 16x25x4 Air Filter | 15.375x24.375x3.625 | PF8.0416253PFF |
| 18x24x4 Air Filter | 17.375x23.375x3.625 | PF8.0418243PFF |
| 20x20x4 Air Filter | 19.375x19.375x3.625 | PF8.0420203PFF |
| 20x24x4 Air Filter | 19.375x23.375x3.625 | PF8.0420243PFF |
| 20x25x4 Air Filter | 19.5x24.5x3.625 | PF8.0420253PFF |
| 24x24x4 Air Filter | 23.375x23.375x3.625 | PF8.0424243PFF |
| 25x29x4 Air Filter | 24.375x28.375x3.625 | PF8.0425293PFF |
Custom Sizes:
- If you don' t see your size, order a custom made air filter! Custom made air filters do not come individually wrapped.
Compatible Parts:
The 4" MERV 8 Furnace & AC Air Filter by Filters Fast® - 3-Pack is the correct replacement for the following part numbers:
- FF4M8-12244
- FF4M8-16204
- FF4M8-16254
- FF4M8-18244
- FF4M8-20204
- FF4M8-20244
- FF4M8-20254
- FF4M8-24244
- FF4M8-25294
- FFM8PLEAT 4-12244
- FFM8PLEAT 4-16204
- FFM8PLEAT 4-16254
- FFM8PLEAT 4-18244
- FFM8PLEAT 4-20204
- FFM8PLEAT 4-20244
- FFM8PLEAT 4-20254
- FFM8PLEAT 4-24244
- FFM8PLEAT612244
- FFM8PLEAT616204
- FFM8PLEAT616254
- FFM8PLEAT618244
- FFM8PLEAT620204
- FFM8PLEAT620244
- FFM8PLEAT620254
- FFM8PLEAT624244
- PF8.0412243PFF
- PF8.0416203PFF
- PF8.0416253PFF
- PF8.0418243PFF
- PF8.0420203PFF
- PF8.0420243PFF
- PF8.0420253PFF
- PF8.0424243PFF
- PF8.0425293PFF
- No results for {X}
Compatible Models:
The 4" MERV 8 Furnace & AC Air Filter by Filters Fast® - 3-Pack is correct replacement for the following model numbers:
- GeneralAire GENERALAIR TERSUS 2000 AIR PURIFICATION SYSTEMS AC Filters
- GeneralAire GENERALAIRE 5FM2025 Air Cleaner filter media
- GeneralAire GENERALAIRE MAC2000 Air Cleaner filter media
- GeneralAire TRION 255649-102 Air Cleaner filter media
- No results for {X}
Frequently Asked Questions:
How do you install the 4" MERV 8 Furnace & AC Air Filter by Filters Fast®?
- Once your air filters arrive, gather your supplies including a ladder (if needed,) safety goggles, gloves, a mask, and a disposable bag.
- Remove the metal grate from your air return.
- Carefully remove the used air filter and place it immediately and gently into the disposable bag. Then tie the bag sealed.
- 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 8 Furnace & AC Air Filter by Filters Fast®?
Changing your 4" MERV 8 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 8 Furnace & AC Air Filter by Filters Fast® reduce?
The 4" MERV 8 Furnace & AC Air Filter by Filters Fast® is a MERV 8 air filter, which means that it reduces the following contaminants:
- Dust
- Pollen
- Mold Spores
- Other Common Airborne Allergens
How do I choose the correct size?
Select the filter size that matches:
- The dimensions printed on your current filter
- Your HVAC system owner's manual
- The filter cabinet specifications
Choosing the correct size ensures proper fit and airflow.
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