14th Aug 2026, 10:09 PM
Filtrete 21x21x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 20.81 x 20.81 x 0.81 in)
Price may vary by location, shipping cost, and availability.
9% Off
$41.65
$45.99
Highest: $45.99
Average: $42.93
Lowest: $40.91
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of Filtrete 21x21x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 20.81 x 20.81 x 0.81 in) here. This product's current Price in USA is $41.65. The average and highest prices are $42.93 and $45.99 respectively.
| Lowest Ever Price | $40.91 |
|---|---|
| 11th Aug 2026 | |
| Average Price | $42.93 |
| Based on 27 days price tracking | |
| Highest Price | $45.99 |
| 31st Jul 2026 | |
Price History of All Variants of Filtrete 21x21x1 AC Furnace Air Filter MPR...
Current Price in USA
| Price | $41.65 |
|---|---|
| MRP | $45.99 |
| Savings | $4.34 |
| Discount | 9.436% |
Recent Price Drops on Filtrete 21x21x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 20.81 x 20.81 x 0.81 in)
Price Drop 4th Aug 2026
$45.99 → $41.52
9.72% drop
Product Information
Details
| Product Name | Filtrete 21x21x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 20.81 x 20.81 x 0.81 in) |
|---|---|
| Store Product Code | B0DMTG4CWD |
| Store Name | amazon.com |
| Brand | Filtrete |
| Rating | 9.4 / 10 |
| Category | Furnace Filters |
| Dimensions | 20.81"L x 20.81"W x 0.81"Th |
Features
- MAKE YOUR HOME YOUR SANCTUARY: 4-pack of MPR 700 3-month pleated Filtrete 21x21x1 Air Filters. These filters are designed to help capture unwanted particles from your household air, contributing to a cleaner and fresher home environment
- COOLING SEASON READY: Keep your home cool and your air cleaner with a Filtrete AC filter (Compared to MERV minimum filter requirements)
- THE HIGHER THE MPR, THE MORE PARTICLES - such as pollen, pet dander, bacteria and viruses - your air filter will capture from the air passing through it
- ATTRACTS AND CAPTURES particles such as lint, pollen, dust, and pet dander
- CHANGE YOUR FILTER OFTEN: For optimal performance of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters
- CREATE A CHANGE COUNTDOWN in the Filtrete Smart App. Simply use the app to scan the barcode on your filters packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, youll get a notification to change your filter
- OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. air filters for your furnace, air conditioner or HVAC system
Images
× ![]()
Rating and Reviews
9.4 Based on 6398 reviews
Filtrete 21x21x1 AC Furnace Air Filter MPR has 9.4 rating out of 10. This average rating is consist of 6398 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.