This Tier1 20X20X5 air filter is rated at MERV 11 to capture 90% of particles, 1-3 microns in size. Replacement for: Goodman M2-1056, G2-1056 and other brand part numbers ending in MU2020.
Captures 90% of harmful airborne particles such as dus, pollen, pet dander, mold spores, smog, & more
Comparable Filter Replacement For: Goodman M2-1056, G2-1056, GMU2020
Actual Size: 20 1/4 inches (length) x 20 3/4 inches (width) x 5 1/4 inches (thickness)
Original box type design
Recommend filter life of 3 months to reduce damage to your furnace / ac unit