COMPATIBILITY: MAC-408FT-E Filter is perfectly compatible with the following Mitsubishi ductless mini splits: MSZ-GE06NA, MSZ-GE09NA, MSZ-GE12NA, MSZ-GE15NA, MSZ-GE18NA, MSY-GE09NA, MSY-GE12NA, MSL-GL15NA, MSY-GE15NA, MSY-GE18NA. Package Include: 6 Pack MAC-408FT-E Filters. Installation Notes: The original MAC-408FT-E air filter is a blue enzyme filter that attaches to the pre-filter with plastic frame. STORAGE & Suggest: The filter should be stored in a dry place. According to the frequency you use, the MAC-408FT-E filter is replaced every 4-6 months. Satisfactory service: If you have any questions about filter, please feel free to contact us, our after-sales team will provide every customer with satisfactory service. 6-Pack MAC-408FT-E Filter Replacement Compatible with Mitsubishi MAC-408FT-E Air Conditioner, Filter for Optimal Air Filtration.