10/5/3PCS Auto Water Dripper Garden Irrigation Equipment Adjustable Self Watering Spike with Switch for Flowers Plants Irrigation Supplies

uncomfortable, it's unclear how to use, you pour, put it on the bottle, turn it over, and everything pours out, i.e. there is no airtightness between the neck and the attachment itself, a very large gap, maybe it's supposed to be like that, but it's very dysfunctional and inconvenient. The valve itself doesn't close completely, i.e. drops leak out very quickly, a half-liter bottle for one day.