1 / 7Simply MF12201-12 MERV 8 12-Pack Air Filter, 12 x 20 x 1 in
Simply MF12201-12 is a 12-pack of MERV 8 pleated HVAC filters listed at a nominal 12 x 20 x 1 inches. The stated actual dimensions are smaller, so confirm the size your filter slot requires before ordering.
At a glance
- Pleated MERV 8 filter media is listed for dust, mold, pet dander, pollen and other airborne particles.
- Designed for slide-in use with listed air conditioners, furnaces and heat pumps.
- Manufacturer claims replacement intervals of up to 3 months, with actual timing dependent on conditions.
Reference price: $69.97
Price checked: Nov 13, 2026
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Pros and cons
Pros
- Twelve filters per pack can reduce the frequency of reordering compared with smaller packs.
- The listing specifies actual dimensions as well as the nominal size, helping buyers compare against a filter slot.
- The listed materials and MERV rating give buyers concrete details for matching a replacement filter.
Technical specifications
12 specifications| Brand | Simply |
|---|---|
| Model | MF12201-12 |
| MERV rating | 8 |
| Pack quantity | 12 Count |
| Dimensions listed | 11.75"L x 19.75"W x 0.75"Th |
|---|---|
| Weight listed | 5 pounds |
| Mounting type | Slide In |
| Compatible devices | Air Conditioner, Furnace, Heat Pump |
| HVAC system type | residential |
| Material listed | Electrostatically Charged Synthetic Pleated Media |
|---|---|
| Construction | 24-Point Beverage Board, Hot-Rolled Steel Wire Mesh, Pleated |
| Shape | Rectangular |
What to know before buying
Listing details to confirm
The title and product description give a nominal size of 12 x 20 x 1 inches, while the listed actual size is 11.75 x 19.75 x 0.75 inches. Confirm the existing filter or slot dimensions and that MERV 8 suits your HVAC system before buying. The up-to-3-month replacement interval is a manufacturer claim, not a fixed schedule for every home.
What’s in the box
Included- 12 air filters
- Installation guide
Who is it for?
A good fit for
- Households replacing a nominal 12 x 20 x 1 filter in a compatible residential HVAC system.
- Buyers seeking a multi-filter supply of MERV 8 pleated replacements for an air conditioner, furnace or heat pump.
Less suited to
- Buyers whose required filter dimensions or MERV rating do not match the listed filter.
Customer reviews on Amazon
- 5 stars
84% 84% - 4 stars
9% 9% - 3 stars
2% 2% - 2 stars
2% 2% - 1 star
3% 3%
Customer feedback reports that the filters work well and catch dust, while fit experiences are mixed, with some finding the fit suitable and others reporting issues. This makes the stated actual dimensions especially important to verify against your slot. The aggregate ratings are generally favorable, but ratings alone do not explain individual fit concerns.
Positive themes
- Customers report effective operation and dust capture.
Mixed feedback
- Fit feedback is mixed. Some customers report a good fit while others report issues.
Frequently asked questions
What are the listed dimensions?
The nominal size is 12 x 20 x 1 inches. The listing gives actual dimensions of 11.75"L x 19.75"W x 0.75"Th. Match the actual size to your filter slot.
Which systems is this filter listed for?
The listing names air conditioners, furnaces and heat pumps, and identifies the compatible HVAC system type as residential.
How often should the filter be replaced?
The manufacturer claims performance for up to 3 months. Replacement timing can vary, so follow your system guidance and check the filter during use.
What does the pack include?
The package contents list specifies 12 air filters and an installation guide.
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