They work the same as Mr. Coffee supplied with the coffee maker. I've seen some reviews saying coffee won't go through them and I haven't had this problem, but you should run water through them before using a new filter for the first time or if there are several days between uses. This is stated in the instructions supplied with the coffee maker and applies to Geesta brand filters. I've been using them for a few months now and haven't had any problems with them falling apart, they need to be changed every 30 days which I have done.
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