Blanking disk allows you to back flush the brewing group, removing build up of ground coffee and coffee oils. Size: 51mm, 54mm, 58mm. Firstly remove the coffee machine handle filter, remove the coffee machine handle filter, then put the blind bowl into the coffee machine handle, then put a small spoonful of special cleaning powders for the coffee machine, press the brew button, run for about 10 seconds, and then turn off.
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