Answer Hello Rick, thank you for contacting APP, It does not appear that this unit has a filter. I would recommend running a cleaning cycle with an Affresh W10549845 tab or a couple of cups of white vinegar. This unit does not have a dedicated cleaning cycle, so I would recommend setting the unit to Max Fill water level, Hot temperature, Fabric Softener 2nd Rinse on Options, and Heavy for the cycle selection. Read More... Answered by AppliancePartsPros.com | Monday, July 8, 2024