Maintain optimal performance of your Mitsubishi mini split system with this authentic two-filter replacement set. This pack contains one E22-C85-100 and one E22-C86-100 factory original filter, engineered to fit Mitsubishi mini split units seamlessly. With dimensions of 8-11/16" x 13-1/8" and 13-1/8" x 12-1/4" respectively, these filters ensure proper airflow and filtration efficiency. Designed as direct replacements for legacy E12 C85 100 and E12 C86 100 models, they deliver the reliability and quality you expect from genuine Mitsubishi components. Old Part #s: E12 C85 100 & E12 C86 100 Dimensions: 8-11/16" x 13-1/8" & 13-1/8" x 12-1/4" This pack includes (2) Factory Original Mitsubishi Filters; (1) E22-C85-100 & (1) E22-C86-100 Filters Fit the Following Indoor Unit Model Numbers: MSZ FD09NA, MSZ FD12NA, MSZ FE09NA, MSZ FE09NA-8, MSZ FE12NA, MSZ FE12NA-8 **All of the above indoor units require 2 replacement air filters. One E22C85100 (right side) & one E22C86100 (left side). Related Products: These filters are compatible with the Mitsubishi MAC-418FT-E & MAC-308FT-E enzyme and deodorizing filters.