Furnace Filters
Best 16x25x2 Furnace Filter (2026): Our 5 Picks Ranked
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For a 16x25x2 furnace filter, the Filtrete leads as Best Overall: it pairs MERV 11 with MPR 1000 in a 3-month pleated filter with a Smart App reminder. The Filter King runner-up pairs MERV 8 with a 6-pack, and the Glasfloss adds MERV 10 with MPR 800 in a 12-pack.
Starting out? See the main guide: Best Furnace Air Filters
Top picks at a glance
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Best OverallFiltrete 16x25x2 Air Filter9.8 View on Amazon -
Runner-UpFilter King 16x25x2 Air Filter MERV9.6 View on Amazon -
9.4 View on Amazon -
Also GreatGlasfloss ZL 16x25x2 MERV 10 AC9.3 View on Amazon -
Also GreatSimply 16x25x2 Air Filter9.2 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. Filtrete 16x25x2 Air Filter | MERV 11 | — | — | — |
| 2. Filter King 16x25x2 Air Filter MERV | MERV 8 | 6-pack | — | — |
| 3. AIRx Filters 16x25x2 Air Filter Comparable to MPR | — | 12-pack | — | — |
| 4. Glasfloss ZL 16x25x2 MERV 10 AC | MERV 10 | 12-pack | — | — |
| 5. Simply 16x25x2 Air Filter | MERV 8 | — | — | — |
Filtrete 16x25x2 Air Filter
It pairs MERV 11 with MPR 1000, a 3-month pleated filter, and a Smart App reminder.
- MERV rating: MERV 11
Good for
- Buyers who want a 16x25x2 slot with MERV 11
- Buyers who want a Smart App reminder
Skip it if
- You want a filter larger than 16x25x2
- You want a MERV figure past 11
The pleated polypropylene filter measures 15.5 by 24.5 by 1.75 inches actual, and the 3-in-1 technology pulls in and traps particles while letting air flow through. Change it at least once every 90 days, and the Smart App sets 30-, 60- or 90-day reminders. It contains at least 55% recycled content, and it fits furnaces and air conditioners.
Filter King 16x25x2 Air Filter MERV
It pairs MERV 8 with a 6-pack, a 15.5 by 24.5 by 1.75 actual size, and pleated media.
- MERV rating: MERV 8
- Pack size: 6-pack
Good for
- Buyers who want a 16x25x2 slot with MERV 8
- Buyers who want a 6-pack for repeat changes
Skip it if
- You want a filter larger than 16x25x2
- You want a MERV figure past 8
The pleated polypropylene filter measures 15.5 by 24.5 by 1.75 inches actual, and it fits air conditioners and furnaces. The pleated design captures more particles without impacting air flow, and the filters last up to 90 days before replacement. Installation is open, slide and close.
AIRx Filters 16x25x2 Air Filter Comparable to MPR
It pairs a 12-pack of non-pleated fiberglass filters with low airflow restriction and a 15.75 by 24.75 by 1.75 actual size.
- Pack size: 12-pack
Good for
- Buyers who want a 12-pack for repeat changes
- Buyers who want low airflow restriction
Skip it if
- You want a filter larger than 16x25x2
- You want a pleated filter
The non-pleated fiberglass filters capture dust and lint with low airflow restriction for improved ventilation. The 12-pack fits most standard furnaces and air conditioning units, and the actual size is 15.75 by 24.75 by 1.75 inches. The filters are comparable to MPR 100 basic economy filters.
Glasfloss ZL 16x25x2 MERV 10 AC
It pairs MERV 10 with MPR 800, a 12-pack, and a 15.5 by 24.5 by 1.75 exact size.
- MERV rating: MERV 10
- Pack size: 12-pack
Good for
- Buyers who want a 16x25x2 slot with MERV 10
- Buyers who want a 12-pack for repeat changes
Skip it if
- You want a filter larger than 16x25x2
- You want a MERV figure past 10
The pleated filters use a durable heavy-duty frame with a galvanized metal backing. The exact size is 15.5 by 24.5 by 1.75 inches, and the rating is MERV 10 with MPR 800 and FPR 7. Change them at least every 3 months, and they fit air conditioners and furnaces.
Simply 16x25x2 Air Filter
It pairs MERV 8 with a 4-pack, a 15.5 by 24.5 by 1.75 actual size, and pleated media.
- MERV rating: MERV 8
Good for
- Buyers who want a 16x25x2 slot with MERV 8
- Buyers who want a 4-pack for repeat changes
Skip it if
- You want a filter larger than 16x25x2
- You want a MERV figure past 8
The pleated filters use a 24-point beverage board with hot-rolled steel wire mesh, and the particle size is 3.0 to 10.0 microns. The box holds 4 filters with an installation guide, and they give up to 3 months of filtration.
How to choose
Match the nominal size first
Start with the nominal size your slot takes. All five filters are 16x25x2 nominal, with actual sizes that vary: the Filtrete is 15.5 by 24.5 by 1.75, the Filter King is 15.5 by 24.5 by 1.75, the AIRx is 15.75 by 24.75 by 1.75, the Glasfloss is 15.5 by 24.5 by 1.75 exact, and the Simply is 15.5 by 24.5 by 1.75. Check the actual size against your slot before ordering.
Understand MERV and MPR
MERV and MPR are two separate scales, so compare MERV figures with MERV figures and MPR figures with MPR figures. The Filtrete is MERV 11 with MPR 1000, the Glasfloss is MERV 10 with MPR 800, and the Filter King and Simply are MERV 8. The AIRx is comparable to MPR 100 filters. The Filter King, AIRx, Glasfloss and Simply come in 6-pack, 12-pack, 12-pack and 4-pack sizes for repeat changes.
Plan changes and upkeep
Replacement timing is given in months or in reminders. The Filtrete changes at least once every 90 days with Smart App reminders at 30, 60 or 90 days, and the Glasfloss changes at least every 3 months. The Filter King lasts up to 90 days, and the Simply gives up to 3 months of filtration. Check the replacement timing for your pick before you buy.
FAQ
What MERV figures do these filters have?
The Filtrete is MERV 11, the Glasfloss is MERV 10, and the Filter King and Simply are MERV 8.
What size furnace filter do I need?
Check the nominal size for your slot first. All five are 16x25x2 nominal, with actual sizes from 15.5 by 24.5 by 1.75 to 15.75 by 24.75 by 1.75.
How do I know when to change the filter?
The Filtrete changes at least once every 90 days with Smart App reminders, the Glasfloss changes at least every 3 months, and the Simply gives up to 3 months. The Filter King lasts up to 90 days.
Which filters come in a 12-pack?
The AIRx and Glasfloss come in 12-packs, while the Filter King comes in a 6-pack and the Simply in a 4-pack.
