Optimal for the holidays. Leave calmly. Aquasolo waters your plants. 4 reusable cones made of microporous ceramic with multi-bottles adapter. The tip of the cone has 3 different threads that enable it to adapt to the plastic bottle 1 to 5 litres. After screwing Aquasolo on the bottle filled with water, simply turn it, pierce the bottom and push the cone into the soil of the plant to irrigate. Medium = suitable for pots whose width is between 30 and 40 cm