Plastia (https://www.plastia.eu/en/)
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Growing plants possible on the balcony, too. A crackerjack selfwatering flower box which can make the most of a small space. Fits balcony or terrace railings in a town as well as acottage fence. Suitable for growing strawberries, herbs and annuals. Can be used for round and square railings maximum of 6,5 cm in diameter.
Substrate quantity: 5,5 l
Water capacity: 1,6 l + 1,6 l