# Simply 20x20x4 MERV 8 Air Filter, 2-Pack

Pack: Simply 20x20x4 MERV 8 Air Filters are a two-filter replacement set with a listed actual size of 19.5 by 19.5 by 3.63 inches. The listed rating and dimensions help buyers compare it with their existing filter, but confirm the slot size and the stated Honeywell incompatibility before ordering.

- [Original product page](https://best-deals.pro/product/simply-20x20x4-merv-8-air-filter-2-pack)
- [View offer](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Simply
- Model: Merv 8 20x20x4 2 pack
- Category: Home & Kitchen > Appliance Parts & Accessories > Air & HVAC Filters
- Price: 37.66 USD
- Previous price: 44.34 USD
- Discount: 15%
- Price checked: 2026-11-14T07:02:40.634Z
- Rating: 4.5 / 5
- Reviews: 4760

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- MERV 8 rating for HVAC replacement use.
- Actual dimensions listed as 19.5 x 19.5 x 3.63 inches, rather than the nominal 20x20x4 size.
- Listing describes pleated construction and says the filters capture dust, mold, pet dander, and pollen.
- Manufacturer recommends replacement at up to 3 months and directs users to follow the airflow arrows.

## Pros

- Two filters are listed in the package, making this a replacement set rather than a single filter.
- Listed for air conditioners, furnaces, and heat pumps.
- The listing gives actual dimensions to compare with the existing filter slot.

## Specifications

### Identity
- Brand: Simply
- Model: Merv 8 20x20x4 2 pack
- MERV rating: 8
- Compatible systems: Air Conditioner, Furnace, Heat Pump
- Residential HVAC compatibility: residential
### Dimensions and installation
- Dimensions listed: 19.5"L x 19.5"W x 3.63"Th
- Weight listed: 3 pounds
- Shape: Rectangular
### Materials and construction
- Material listed: Cardboard, Paper
- Filter construction: 24-Point Beverage Board, Hot-Rolled Steel Wire Mesh
### Pack details
- Number of items: 2
- Claimed replacement interval: up to 3 months

## Before you buy

- The listing says the filter works with almost any brand but specifically says it is not compatible with Honeywell. Confirm the fit using the stated actual dimensions, especially if replacing a Honeywell filter. The claimed particle-capture and up-to-three-month lifespan are manufacturer statements, not verified performance results.

## In the box

- 2 air filters (Included)
- Installation guide (Included)

## A good fit for

- Households replacing a filter in a compatible HVAC slot measuring for the listed actual dimensions.
- Buyers seeking a two-pack of MERV 8 filters for an air conditioner, furnace, or heat pump.

## Less suited to

- Honeywell users, since the listing explicitly says this filter is not compatible with Honeywell.
- Buyers whose required filter dimensions or filtration rating differ from the listed specifications.

## Customer feedback

Customer feedback highlights perceived effectiveness at filtering dust and allergens and ease of installation. Experiences are mixed on durability and fit, with some reporting filters that last longer while others say they rip during removal or seem smaller than advertised. Some also report limited flexibility or damage on arrival. These concerns matter for a filter whose listed dimensions should match the slot closely, so confirm the size and inspect the filter when it arrives. Aggregate ratings are generally favorable, but do not establish performance or explain individual experiences.
- Positive themes: Customers describe the filters as effective at filtering dust and allergens and easy to install.
- Negative themes: Some customers report limited flexibility and filters arriving damaged.
- Mixed feedback: Reports on durability vary, including both longer use and tearing during removal.
- Mixed feedback: Customers differ on whether the size fits as expected, with some describing it as smaller than advertised.

## Frequently asked questions

### What are the listed actual dimensions?
The listing gives the dimensions as 19.5 inches long, 19.5 inches wide, and 3.63 inches thick. Compare these with your current filter and slot before buying.
### Which systems is it listed for?
The specifications list air conditioners, furnaces, and heat pumps. The listing also specifically excludes Honeywell compatibility.
### How often does the manufacturer recommend replacing it?
The listing claims filtration for up to 3 months. Actual replacement timing may depend on use and conditions, which are not specified here.

## Alternative options

- [Filtrete 20x25x4 Air Filter, MERV 12, MPR 1550, 2 HVAC Filters \| Allergen, Bacteria & Virus, 12-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, \(Act. Size 19.88x24.63x4.31 in\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Filtrete 20x25x4 Deep Pleat Air Filter, MERV 11, MPR 1000, 4 HVAC Filters \| Allergen Defense, 12-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, \(Act. Size 19.88x24.63x4.31 in\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Filtrete 20x20x4 Air Filter, MERV 11, MPR 1000, 2 HVAC Filters \| Allergen Defense, 12-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, \(Act. Size 19.88x 19.88x4.31 in\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Filtrete 20x20x4 Air Filter, MERV 13, MPR 1900, 2 HVAC Filters \| Premium Allergen, Bacteria & Virus, 12-Month AC/Furnace Filters, \(Act. Size 19.75x19.75x4.31 in\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Simply 20x20x4 Air Filter, MERV 13, 6 Pack, Furnace Air Filter for HVAC \(Actual Size:19.5"x19.5"x3.63"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Simply 10x10x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC \(Actual Size: 9.75"x9.75"x0.75"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Aerostar Air Filter 20x20x4 MERV 8 AC Filter, HVAC, Furnace Filter, 2 Pack \| ACTUAL SIZE \(19.50 x 19.50 x 3.75\) AC Filter, HVAC, Furnace Filter Captures Dust, Lint & Pollen MERV 8 \(MPR 600 / FPR 5\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Simply 20x25x4 Air Filter, MERV 8, 4 Pack, Furnace Air Filter for HVAC \(Actual Size:19.5"x24.5"x3.63"\) DUST, Pet, & Allergy Control](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Filterbuy 16x25x4 Air Filter MERV 8 Dust & Allergy Defense \(1-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA \(Actual Size: 15.50 x 24.50 x 3.63\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Filterbuy 20x25x1 Air Filter MERV 8 Dust & Allergy Defense \(2-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA \(Actual Size: 19.50 x 24.50 x 0.75\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Honeywell FC100A1037-20" x 25" x 4" Pleated Air Filter, MERV 11 Bundle with Same Day Supply Filter Change Reminder \(2-Pack\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)
- [Lennox X6670 16x25x5 Air Filter MERV 11 HVAC AC Furnace Filters, Lennox Healthy Climate Filter for Home with Cleaning Cloth, 2-Pack \(Actual Size: 15.75 x 24.75 x 4.38 Inches\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)

## Add-ons

- [Filterbuy 20x25x4 Air Filter MERV 8 Dust & Allergy Defense \(2-Pack\) \| Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA \(Actual Size: 19.50 x 24.50 x 3.63\)](https://best-deals.pro/visit/simply-20x20x4-merv-8-air-filter-2-pack)

## Images

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 1](https://best-deals.pro/i/RqBh84oXHsoxUHyppLx9GeXGK2vyvbospHjU2RUx-EeDg9twk8hA8tw1v1HDZxLh0DuMCQoA089ndOS1rJCJalob4H0bMtO55ihkv3TMmo0N9zLuvcf_qydJ.jpg)

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 2](https://best-deals.pro/i/nme24a5td4-dvVriOYZM43zQDHcBhWxjUTKnC2yLCbN0_W5sm4t_8ekDy1a7kCgr5CcULmXnrEuAFF2GrxGiWqlGhcjKViz4imb4gT70oZ99zHGzCIQ7_z1b.jpg)

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 3](https://best-deals.pro/i/KdXGdcgrFKVaZvmhpCLiPBFHoSQ_cr7nesW7aFGvALaw2be8tLWhSeEQKFqnQPyXHdPwivqjuL4AjJXbg2XhSSZYwwW4qFTAYTFphihnTmekbnOOAv3Bl0Gf.jpg)

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 4](https://best-deals.pro/i/siQUfC47h29ZexaI0x3S0KFqHnoP6k0kC47rnvwRt925tvADvrOmG-HtZrjRLEfXtd08ypaseVSaLuQC3b11LVb7CNkLKFYYmkZUBK6QFWElyohM0aRW2DH2.jpg)

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 5](https://best-deals.pro/i/8HMd7DEAhxm2PukXR9m7DOcMNtq6bo2NNxcD7hAJLBp-RU41gPSibCtzW9Smxottgjw0SwNPjNI3tAr42uA690AZKK4oEmfsZmkO7h_x6T85vA7UhYAc-bzH.jpg)

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 6](https://best-deals.pro/i/FAhMz_HQ0mCm-pBJBFuDILze33iFjFS36luCrXk5Tqy8Xrt0HD-lqlOubAI4qDkDy1d-luLdso7egQHzqkrh5Ynp2VNnksVg6BfFoqOwHdbDgJrN6ssWq72Y.jpg)

![Simply 20x20x4 MERV 8 Air Filter, 2-Pack — 7](https://best-deals.pro/i/GrNY8OZggNzme1vMRsnDkcDP0YWmEDr4DgQPDaPB9oCUIi422id-Iv0HG9v-nQw3joVFUp3dMriayF2V_BJLC0nPYslgY8cjBmXwZdZm4XQPdIbxNKib-wxX.jpg)