Just got a Frank green stainless steel cup for my birthday, but I don't get what the filter thing is for, and nowhere on the website even mentions it.
Any ideas?
Fiiter? are you talking about the button mechanism in the lid?
No it's kind of like a tea leaf strainer, with a little handle to pull it out.
@HatBeard started
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Just got a Frank green stainless steel cup for my birthday, but I don't get what the filter thing is for, and nowhere on the website even mentions it.
Any ideas?