Tier1 Replacement for Electro-Air 16x25x5 Merv 13 MU1625 / M1-1056 Air Filter 2 Pack Upgraded media rated at MERV 13 to capture 90% of particles, 1 microns or smaller in size Replacement for: Goodman M1-1056, G1-1056, Nordyne 918395, Totaline P102-1625, P102-1625BB and other brand part numbers ending in MU1625 Can also fit air cleaner systems Amana AMU1625, Carrier CMF2020, Coleman CEMU1625, Five Seasons FSMU1625, Goodman GMU1625, Nordyne N-MU1625A, Totaline P102-BB14A, P102-MF14A, P102-NC14A and York YMU1625 This product is listed and rated by Underwriters Laboratories as U.L. Class 2