Filtrete 20 x 25 x 4 MERV 11 1000 MPR Allergen Defense Refillable Air Filter 2 -Pack

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

FITS Filtrete Refillable Air Filter Frame 20x25x4: The frame’s exact dimensions are 19.88 in x 24.62 in x 4.25 in (50.4 cm x 62.5 cm x 10.8 cm)

FRAME DESIGNED TO FIT Honeywell, Lennox, Space-Gard, 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