Today's Best Air Filter Deals On Amazon
Prices as of Nov 4, 2026, 7:05 PM ETDetails
Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
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-9%
Amazon BasicsAmazon Basics 20x25x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic, Removes Lint (Actual Size: 19.75" x 24.75" x 0.75")
$37.26Was:See Deal On Amazon$41.00 -
-38%
FiltreteFiltrete 20x25x1 Air Filter, MERV 11, MPR 1000, 2 HVAC Filters | Allergens & Pet Dander, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, (Act. Size 19.68x24.68x0.81 in)
$20.69List:See Deal On Amazon$33.35 -
-14%
Amazon Basics
Amazon Basics MERV 5 AC Furnace Air Filter, 20x25x1 inches, 6-Pack (Actual size: 19.75" x 24.75" x 0.75")
$29.97Was:See Deal On Amazon$34.94 -
-11%
FilterbuyFilterbuy 20x25x1 Air Filter MERV 8 Dust & Allergy Defense (6-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)
Limited time deal, ends Nov 16$44.27Was:See Deal On Amazon$49.98 -
-41%
FiltreteFiltrete 16x20x1 Air Filter, MERV 11, MPR 1000, 2 HVAC Filters | Allergens & Pet Dander, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow, (Act. Size 15.68x19.68x0.81 in)
$19.79List:See Deal On Amazon$33.35 -
-10%
SimplySimply 20x20x1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Actual Size: 19.75"x19.75"x0.75") DUST, Pet, & Allergy Control
$35.07List:See Deal On Amazon$38.97 -
-25%
FiltreteFiltrete 16x25x1 Air Filter, MERV 5, MPR 300, 6 HVAC Filters | Basic Dust & Lint, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow (Act. Size 15.69x24.69x0.81 in)
$29.97List:See Deal On Amazon$39.99 -
-24%
FiltreteFiltrete 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)
$51.95List:See Deal On Amazon$67.99 -
-10%
SimplySimply 20x25x1 Air Filter, Merv 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 19.75"x24.75"x0.75") DUST, Pet, & Allergy Control
$43.17List:See Deal On Amazon$47.97 -
-18%
BNXBNX TruFilter 20x25x1 Air Filter MERV 11 Allergy, Dust & Pet Defense 6-Pack | Actual Size: 19.69 x 24.69 x 0.75, Electrostatic Pleated HVAC AC Furnace Filter Replacement, Made in USA, MPR 1200 & FPR 9
$49.48List:See Deal On Amazon$59.99 -
Amazon BasicsAmazon Basics 20x20x1 Air Filter 6-Pack, MERV 11 AC Furnace Filters, Dust, Pet, Allergen Control , Electrostatic (Actual Size: 19.75 x 19.75 x .75)
$36.42See Deal On Amazon -
Amazon BasicsAmazon Basics 16x20x1 Air Filter 6-Pack, MERV 8 AC Furnace Filters, Allergen Control , Removes Dust, Lint and Pollen, Electrostatic (Actual Size: 15.75" x 19.75" x 0.75")
$31.56See Deal On Amazon
What Counts As A Real Black Friday Air Filter Deal?
Filter pricing depends on size, MERV rating and pack count. Compare cost per filter, not per pack, because a six-pack at a modest discount often beats a two-pack at a big one.
MERV measures how fine a particle the filter catches. MERV 8 handles dust and pollen, while MERV 11 captures pet dander and finer allergens. Very high ratings can restrict airflow in systems not built for them, so match what your HVAC manual allows. Also check actual dimensions: a 20x25x1 filter is often slightly smaller than its label.
- Confirm the nominal size from the old filter frame.
- Replace on schedule, usually every one to three months.
- Check that replacement intervals fit the pack count.
10 of these filters carry a discount at the moment.
Which Air Filter Should You Buy?
The brands on this grid vary mostly in MERV level and pack size.
| Type | Best For | Watch For |
|---|---|---|
| MERV 5 (Amazon Basics) | Basic dust catching, tight budgets | Little allergy help |
| MERV 8 (Filterbuy, Simply) | General households | Limited pet dander capture |
| MERV 11 (Filtrete, Amazon Basics) | Pets, allergies, better air quality | Higher cost, check system airflow |
| Smaller sizes (16x20x1) | Systems with smaller returns | Fewer pack options |
Check the size on your current filter and buy a pack that matches. Stocking up on a six-pack avoids last-minute purchases.
When Do Air Filter Deals Drop?
HVAC filters are consumables and often get promoted in bulk during autumn. Multi-packs tend to see the better savings, so watch the lists a few days before Black Friday.
For air filter shopping, the calendar is this: Black Friday 2026 is Friday, November 27, with Thanksgiving on Thursday, November 26 and Cyber Monday on Monday, November 30. Amazon has not announced its 2026 Black Friday Week dates yet. Last year its event ran from November 20 to December 1, so a similar window is likely for air filter offers, though that is not confirmed.
Early deals are already live in Amazon's Holiday Shop, and some carry a Limited time deal badge with an end date. Amazon does not match competitor prices, so a lower air filter price elsewhere will not be matched. Other retailers publish their own windows: Walmart runs early deals November 12 to 15, Best Buy starts November 19, and Target has an early sale November 5 to 7.
Frequently Asked Questions
What MERV rating do I need?
MERV 8 suits most homes. MERV 11 is worth it for pets and allergies if your system allows it.
How often should I change a furnace filter?
Every one to three months, depending on pets, dust and system use.
Does a higher MERV hurt my HVAC?
It can reduce airflow if the system is not designed for it. Check your manual.
Are HEPA filters the same as MERV?
No. HEPA is a separate standard for portable purifiers, not typical furnace slots.
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