Fujitsu K9315361011 Air Filter Kit comes with two UTRFA13-1 Apple Catechin Filters. The K9315361011 Air Filter Kit fits the following Fujitsu model numbers:
ASU18RLXS, ASU24RLXS, ASU30RLX
The UTR-FA13-1 Apple Catechin cannot be washed. The media will be damaged if washed or cleaned in warm water, and will lose its ability to clean the air. The K9315361011 air filters should not be stored for long periods of time, because as they age they lose their ability to clean the air as well. These filter should be changed every three months.
One pack contains 2 filters.