Filtrete 20x20x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices exact dimensions 19.88 x 19.88 x 4.31

Filtrete 20x20x4, AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices exact dimensions 19.88 x 19.88 x 4.31

• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
• DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
• ATTRACTS AND CAPTURES microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses--and large particles, including lint, household dust and pollen
• 1550 MPR has a rating of MERV 12
• The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
• 54% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing
• CERTIFIED as asthma & allergy friendly As outlined in report ASCR: 1246-01