Bangcool 15 pcs bottle adapter auto watering device set. Our watering dripper is designed with ultra-fine holes on the white stake, through which the water runs out evenly. Automatic irrigation stakes can constantly release water at a slow speed and a small volume to keep the soil of your plants at the premium moisture level. These self-watering stakes are simple to install and use, no tools required. The automatic watering device is made of quality ceramic and quality materials, which are sturdy, corrosion-proof, and durable for pronged use. This 15pcs versatile self-watering spikes are suitable for potted plants, deck pots, hanging plants, and more.