You need the model and the 10 digit part number (TYP), which is displayed on a sticker or data plate, usually on the back or base of the appliance
Here's What you should See
Your model number should look like this: ART 23 EASYTRIM ACCU, and the 10 digit part number can begin with “06” or “36” or “F016”. Example: 3 600 H78 H00