Tier1 Replacement for Totaline 20x25x5 Merv 11 AC Furnace Air Filter 2 Pack Upgraded media rated at MERV 11 to capture 90% of particles, 1-3 microns in size Replacement for: Goodman M8-1056, G8-1056, Nordyne 918397, Totaline P102-2025, P102-2025BB and other brand part numbers ending in MU2025 Can also fit air cleaner systems Electro-Air EAMU2025, Five Seasons FSMU2025, Amana AMU2025, Carrier CMF2020, Coleman CEMU2025, Goodman GMU2025, Nordyne N-MU2025A and York YMU2025 This product is listed and rated by Underwriters Laboratories as U.L. Class 2