[Pool Cleaner M1-AI] Where can I find the serial number (SN) on the Pool Cleaner M1-AI Series? Advanced Support May 09, 2026 08:58 Updated On the Product: Take out the filter basket, and you will find the serial number (SN) on the bottom of the robot. Related articles [Pool Cleaner K] Why can’t the Pool Cleaner connect to the App while it is underwater? [Pool Cleaner K] Why won’t my Pool Cleaner climb the wall or reach the waterline?