The PILA color planter box has a built-in water reservoir that ensures your plants always have the perfect water supply. Practical inner box with handles that makes planting and replanting less difficult. The PILA color planter is part of a modular series from LECHUZA that combines self-watering planters with practical storage. There are several combination options, and the modules can be used both outside on the balcony and inside. See and here.
The is not included with the planter but can be purchased separately.