Hello Jean, this does have a filter that needs to be cleaned regularly. We recommend cleaning the inside of the Dishwasher with affresh cleaner. You can view it at the link below. Hopefully this information is beneficial to you. Thank you for your inquiry regarding our Whirlpool appliances! https://www.affresh.com/dishwasher/
5 years, 5 months ago
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WhirlpoolTeam