Fujitsu K9317644013 washable air filter part number has been changed to K9317644020. When ordered you may receive the K9317644013 or K9317644020. Both are the same filter.
The Fujitsu K9317644013 is the OEM replacement filter for the following Fujitsu ductless mini split units:
Model Number: ASU7RLF, ASU9RLF, ASU12RLF, ASU15RLS
The Fujitsu K9317644031 replacement air filter is treated during manufacturing to prevent the growth of mold. This feature on the filters gives you the option to have cleaner, healthier air inside your home. The coating also makes it easier to clean your air filter.
Fujitsu recommends that the air filter is cleaned in warm water with a mild soap mix, or with a vacuum cleaner to remove the collected airborne dust and pollutants. After washing the K9309997011 it must be thoroughly air dried before it can be placed back in the indoor unit.
The Fujitsu K9317644013 should be cleaned every two weeks to ensure the best air cleaning performance of the filter.