From the manufacturer
About this item Self-watering floor planter with removable planter liner, water level indicator and plant substrate LECHUZA planter and plant liner are different in height. Due to this difference, a space is formed inside – a container for water Drainage holes in the inner pot helps the moisture to flow into the substrate from a water tank. Water level indicator shows when there is enough water, and when it needs to be added Water from above for the first few weeks until the roots reach the water reservoir. Then fill the water reservoir half way with water If the water level drops in the next few days, you can fill the water reservoir to max Plant pot with drainage hole can be used indoor and outdoor. Flower pot is made of high-quality shockproof poly-resin with matte surface. Resistant to UV rays Slate tall planter measure is D29.5 H56.5 cm, 14 Litre Cap Also available in D22 H41 and D40 H75 cm Plant pot: Internal measurements shown without the self watering system. Please remember that this will occupy some space inside the unit reducing your overall planting space From the manufacturer