The Mitsubishi E22 534 100 (Old Part # E12 534 100) is the replacement mini split filter for the following Mitsubishi mini split units: MSZ-A24NA, MSY-A24NA, and MSZ-GA24NA. The above indoor units require two (2) replacement air filters. Maintenance & Care: The E12 534 100 washable mini split filter is a reusable plastic woven mesh anti-mold filter. Washable filters can be washed with water and a mild detergent and reused. The Mitsubishi E12 534 100 mini split filter should be cleaned every two weeks, and for best performance, it should be replaced every 12 months. Filter Dimensions: 15-1/2" X 15-3/8" Two E12 534 100 filters are included with this offer. This product also fits: MSH0GE50VB-EB1, MS-D18VC-RB1, MS-D24VC-R1, MSZ-A24NA-1, MS-C24VD-P2, MSZ-GC60NA-C1 ,MS-C24VD-K1, MS-GA60VB-A1, MSH-GE60VB-EB1, MS-D24VC-RB1, MS-AD30VB-R1, MSY-A24NA-1, ACW 60i, MSZ-GC71NA-C1, MSH-GA50VB-A1, MSH-GA71VB-A1