Furnace Filters
Best Furnace Filter for Smoke (2026): 4 Models Side by Side
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For smoke filtration, the Aerostar leads as Best Overall: it pairs MERV 11 filtration with a 6-pack, a 15.75 by 15.75 by 0.75 inch actual size and synthetic electrostatic media. The PuroAir runner-up adds MERV 13 filtration with a 3-layer activated carbon design, while the Levoit and GoldBon add MERV 11 filtration in 2-packs and 4-packs.
Starting out? See the main guide: Best Furnace Air Filters
Top picks at a glance
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Best OverallAerostar Air Filter 16x16x1 MERV 11 AC9.8 View on Amazon -
9.7 View on Amazon -
Also GreatLEVOIT 20x25x1 Air Filter MERV9.4 View on Amazon -
9.2 View on Amazon
Compare the specs
Ranked on pack size from each listing, plus how many buyers have rated it. A dash (—) means we could not confirm that figure from the listing.
| Pick | MERV rating | Pack size | Weight | Warranty |
|---|---|---|---|---|
| 1. Aerostar Air Filter 16x16x1 MERV 11 AC | MERV 11 | 6-pack | — | — |
| 2. PuroAir MegaFilter 16x25x1 Air Filter MERV 13 HVAC | MERV 13 | 2-pack | — | 30-day |
| 3. LEVOIT 20x25x1 Air Filter MERV | MERV 11 | 2-pack | — | 2-year |
| 4. GoldBon 14x14x1 MERV 11 Air Filter 4-Pack | MERV 11 | 4-pack | — | — |
Aerostar Air Filter 16x16x1 MERV 11 AC
It pairs MERV 11 filtration with a 6-pack, synthetic electrostatic media and a 16x16x1 nominal size.
- MERV rating: MERV 11
- Pack size: 6-pack, the most here
Good for
- Buyers who want MERV 11 filtration in a 6-pack
- Buyers who want a 16x16x1 nominal size
Skip it if
- You want a MERV rating above 11
- You want a pack smaller than 6 filters
It lists a nominal size of 16 by 16 by 1 inches with an actual size of 15.75 by 15.75 by 0.75 inches, and it compares to MPR 1000-1200 and FPR 7 ratings. Change the filter every 60 to 90 days, and it is made in the USA.
PuroAir MegaFilter 16x25x1 Air Filter MERV 13 HVAC
It pairs MERV 13 filtration with a 2-pack, a 3-layer design and activated carbon technology.
- MERV rating: MERV 13
- Pack size: 2-pack
- 30-day warranty stated
Good for
- Buyers who want MERV 13 filtration
- Buyers who want a 16x25x1 nominal size
Skip it if
- You want a MERV rating above 13
- You want a pack smaller than 2 filters
It lists a nominal size of 16 by 25 by 1 inches with an actual size of 15.75 by 24.75 by 0.75 inches. The 3-layer design holds a prefilter, a MERV 13 filter and CarbonTech active carbon, and it filters smoke and odors. It slides into place for air conditioners and furnaces, and it carries a 30-day warranty.
LEVOIT 20x25x1 Air Filter MERV
It pairs MERV 11 filtration with a 2-pack, a 6-month lifespan and an app replacement reminder.
- MERV rating: MERV 11
- Pack size: 2-pack
- 2-year warranty stated
Good for
- Buyers who want a 6-month filter lifespan
- Buyers who want a 20x25x1 nominal size
Skip it if
- You want a MERV rating above 11
- You want a pack smaller than 2 filters
It lists a nominal size of 20 by 25 by 1 inches with an actual size of 19.69 by 24.69 by 0.79 inches. Each filter lasts up to 6 months, and the app alerts you when it is time to change the filter.
GoldBon 14x14x1 MERV 11 Air Filter 4-Pack
It pairs MERV 11 filtration with a 4-pack, electrostatic pleated media and MPR 1000 comparability.
- MERV rating: MERV 11
- Pack size: 4-pack
Good for
- Buyers who want MERV 11 filtration in a 4-pack
- Buyers who want a 14x14x1 nominal size
Skip it if
- You want a MERV rating above 11
- You want a pack smaller than 4 filters
It lists a nominal size of 14 by 14 by 1 inches with an actual size of 13.78 by 13.78 by 0.79 inches. Replace the filter every 90 days, and it comes in bundles of 2, 4 or 6 filters.
How to choose
MERV ratings and smoke filtration
MERV ratings and media decide smoke filtration here. The PuroAir carries MERV 13 with a 3-layer activated carbon design, while the Aerostar, Levoit and GoldBon carry MERV 11. The Aerostar uses synthetic electrostatic media, the GoldBon uses electrostatic pleated media, and the Levoit lists a 6-month lifespan per filter. Match the rating and media to the smoke load you expect.
Sizes and actual fit
Sizes differ across this list, so measure your slot before buying. The Aerostar lists 16 by 16 by 1 inches, the PuroAir lists 16 by 25 by 1 inches, the Levoit lists 20 by 25 by 1 inches, and the GoldBon lists 14 by 14 by 1 inches. Actual sizes run smaller than nominal on every pick: the Aerostar measures 15.75 by 15.75 by 0.75 inches and the GoldBon measures 13.78 by 13.78 by 0.79 inches. Compare the actual size against your slot.
Packs and replacement intervals
Pack sizes and replacement intervals decide your buying schedule. The Aerostar comes in a 6-pack with changes every 60 to 90 days, the GoldBon comes in a 4-pack with changes every 90 days, and the PuroAir and Levoit come in 2-packs. The Levoit filter lasts up to 6 months, and its app alerts you when a change is due. Keep a spare pack on hand so a change is never delayed.
FAQ
Which filter carries MERV 13?
The PuroAir carries MERV 13 with a 3-layer activated carbon design, while the Aerostar, Levoit and GoldBon carry MERV 11. The PuroAir comes in a 2-pack for 16x25x1 systems.
What actual size is each filter?
The Aerostar measures 15.75 by 15.75 by 0.75 inches, the PuroAir measures 15.75 by 24.75 by 0.75 inches, the Levoit measures 19.69 by 24.69 by 0.79 inches, and the GoldBon measures 13.78 by 13.78 by 0.79 inches.
Which filters list smoke filtration?
All four list smoke among their filtration targets. The Aerostar filters smoke with synthetic electrostatic media. The PuroAir pairs MERV 13 with activated carbon. The Levoit targets smoke. The GoldBon filters smoke with electrostatic pleated media.
Which filters carry a stated warranty?
The PuroAir carries a 30-day warranty, and the Levoit carries a 2-year warranty.
