It holds one gallon of water.
answered 2 months, 1 week ago
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Holds about a gallon. The button is a dish, so you can use it without ANY added filters, etc. The water goes through a housing and up through the top, so, yes, you can use it without a filter, but, why bother with it if you're NOT using a filter?
answered 3 years ago
6out of 7found this answer helpful.