The Mitsubishi M21EAZ100 Catechin Air Filter is guaranteed to fit the following Floor Mounted Indoor Units: MFZ-KA09NA, MFZ-KA12NA, and MFZ-KA18NA.

Each of the units above requires one (1) filter. This OEM Mitsubishi washable mini split filter is a reusable plastic woven mesh pre-filter made with Catechin. Catechin is a bioflavonoid found in green tea with both antiviral and antioxidant qualities. In addition to these benefits, Catechin also offers excellent deodorizing characteristics. Catechin air filters use this compound to improve air quality and prevent the spread of bacteria and viruses in the room.

• Maintenance & Care: Mitsubishi recommends cleaning your filter carefully every two weeks with a vacuum cleaner. For proper operation, the filter should be replaced every year. 
• Filter Dimensions: 19" x 13-3/4"

Optional Air Cleaning Filters: Learn More

Important Note: This replaces the Mitsubishi M21L3V100 Filter