Filtrete 16x25x4 Refillable Air Filter replacement, MPR 1000, MERV 11, Allergen Defense, 2 Pack, use with reusable air filter frame of Filtrete Refillable Air Filter Kit 16x25x4, for HVAC, Furnace, AC

CLEANER AIR: This air filter provides 2x MORE MICROPARTICLE CAPTURE than the MERV 11 minimum requirements (Microparticles are 0.3- 1.0 microns in size)

CERTIFIED Asthma & Allergy Friendly. Independently tested to strict standards by a third party to remove over 95% pollen, 92.5% Dust Mite Allergen, 85% Cat Allergen, and 50% microparticles. (Challenged in a test duct with dust containing common allergens, specific to Filtrete MPR 1000 Refillable Air Filter)

FITS Filtrete Refillable Air Filter Frame 16x25x4: The frame’s exact dimensions are 15.88 in x 24.62 in x 4.25 in (40.3 cm x 62.5 cm x 10.8 cm)

FRAME DESIGNED TO FIT Honeywell, Lennox, Carrier, Bryant, and more brand media air cleaners

SAVE ON REFILLS: Filtrete Refillable Air Filter refills cost less than comparable traditional Filtrete MPR Air Filters, based on MSRP

REFILLABLE FILTERS TAKE UP 75% LESS SPACE when storing and disposing (compared to equivalent size traditional Filtrete Air Filter)

20% LESS WASTE than traditional Filtrete Air Filters, by weight

CHANGING YOUR FILTER: For optimal performance, change your refillable filter at least once every 12 months

CHANGE REMINDERS are available using the Filtrete Smart App: (iOS or Android) for 90, 180, or 365-day reminders

Curbside recyclable packaging