1 / 7Simply MF122416 MERV 8 Air Filter, 12 x 24 x 1 in, 6-Pack
The Simply MF122416 MERV 8 air filter comes in a six-pack and is listed at 11.75 x 23.75 x 0.75 inches actual size. Confirm those dimensions fit your HVAC slot.
At a glance
- The listing rates the filter MERV 8 and identifies its media as electrostatically charged synthetic pleats.
- The listed actual dimensions are 11.75 x 23.75 x 0.75 inches, compare them with the opening and existing filter before ordering.
- The listing names air conditioners, furnaces, and heat pumps as compatible devices.
- The manufacturer claims up to three months of filtration and gives airflow-arrow installation guidance.
Reference price: $38.99
Price checked: Nov 9, 2026
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Pros and cons
Pros
- A six-filter pack provides multiple replacements in one purchase.
- The listing identifies compatibility with air conditioners, furnaces, and heat pumps, covering several common HVAC device types.
- Customer feedback reports positive experiences with filtration and airflow.
Technical specifications
13 specifications| Brand | Simply |
|---|---|
| Model | MF122416 |
| Filter rating | 8 |
| Dimensions listed | 11.75"L x 23.75"W x 0.75"Th |
|---|---|
| Weight listed | 1.6 pounds |
| Mounting type | Slide In |
| Shape | Rectangular |
| Material listed | Electrostatically Charged Synthetic Pleated Media |
|---|---|
| Construction | 24-Point Beverage Board, Hot-Rolled Steel Wire Mesh, Pleated |
| Compatible devices | Air Conditioner, Furnace, Heat Pump |
|---|---|
| Compatible HVAC systems | commercial, industrial, residential |
| Common applications | Allergen Reduction, Breathable Fabric, Mold Reduction |
| Replacement-part availability listed | 3 months |
|---|
What to know before buying
- The manufacturer’s up-to-three-month replacement guidance is a claim, not a universal interval, follow the HVAC system’s requirements and conditions.
Listing details to confirm
The listing title and product description identify a 12 x 24 x 1-inch filter with actual dimensions of 11.75 x 23.75 x 0.75 inches, but a separate feature bullet instead describes an 18 x 20 x 1-inch filter with different actual dimensions, confirm the selected listing and required size. Customer feedback also reports mixed fit and size experiences.
What’s in the box
Included- 6 air filters
- Installation guide
Who is it for?
A good fit for
- Buyers whose HVAC slot matches the listed 11.75 x 23.75 x 0.75-inch dimensions and who want a MERV 8 six-pack.
- Owners of listed compatible air conditioners, furnaces, or heat pumps looking for a slide-in rectangular filter.
Less suited to
- Buyers who need a different actual filter size or cannot verify which of the listing’s conflicting size descriptions applies.

Customer reviews on Amazon
- 5 stars
82% 82% - 4 stars
11% 11% - 3 stars
3% 3% - 2 stars
1% 1% - 1 star
3% 3%
Customer feedback highlights positive perceptions of quality, filtration, functionality, and airflow, some customers also describe the filters as good value. Fit and size experiences are mixed, and the summary reports that some buyers found the filters smaller than expected or unsuitable for their units. That concern matters here because the listing gives actual dimensions and also contains a separate conflicting size description. The displayed aggregate is 4.7 out of 5 from 55,421 global ratings, but that score does not establish how this particular filter will fit a given system.
Positive themes
- Customer feedback describes the filters positively for quality, dust and allergen filtration, airflow, functionality, and value.
Mixed feedback
- Feedback is mixed on fit and size: some customers report a poor match with their units or a smaller-than-expected filter.
- The customer summary reports both repeat-buying intent from some customers and dissatisfaction with the purchase experience from others.
Frequently asked questions
What are the listed actual dimensions?
The title and product details give 11.75 x 23.75 x 0.75 inches. A separate feature bullet gives a different filter size, so verify the selected listing and measure your slot before buying.
Which systems does the listing say this filter fits?
It lists air conditioners, furnaces, and heat pumps as compatible devices.
How many filters are in the pack?
The listing specifies six filters.
How often does the manufacturer suggest replacing it?
The manufacturer describes filtration for up to three months. This is guidance from the listing, not a guarantee for every system or operating condition.

Alternative options

Filterbuy 12x24x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 11.50 x 23.50 x 0.75)
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Filterbuy 12x24x1 Air Filter MERV 8 Dust & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 11.50 x 23.50 x 0.75)
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TRIGHTFILTERS 12x24x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter, Durable and Lightweight
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Simply 12x24x1 Air Filter, Merv 11, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 11.75"x23.75"x0.75") DUST, Pet, & Allergy Control
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