MERV 11 — Allergy & Pet Season

MERV 11 is the right step up from baseline when you have pets, mild allergies, or you've noticed fine dust building up on horizontal surfaces between weekly cleans. Captures everything MERV 8 captures, plus fine pet dander, mold spores, and finer pollen — particles down to about 1 micron.

Same 1-inch slot as our MERV 8 line, so no install changes if you're upgrading. Small bump in static pressure vs MERV 8 — fine for any home built since approximately 1995. Recommended replacement cadence: every 60 days for pet households, 90 days otherwise.

Learn more: Best Air Filters for Pet Homes · MERV Guide
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