It is simply placed on a 19 liter bottle, it is not attached to the neck. The filling speed is tolerable, because this is not a superpump. You can be patient when it comes to the simple use of water - in a kettle, decanter, glass. Anything is better than tilting the bottle or working with a mechanical pump. Laziness - above all. Some pros: Stylish Shows stiffness (you can look) Takes a long time to charge Some cons: It would be worth making moisture protection, IP67-8-9, after all, this is a device for interacting with water, but if the case gets into water (unintentionally), then, unfortunately, everything will stop working completely.
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