Tier1 Replacement for Goodman 16x25x5 Merv 13 G1-1056 & 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 Original box type design This product is listed and rated by Underwriters Laboratories as U.L. Class 2