This is perfect for watering any houseplant. It's perfect for those who travel and to make their plants are properly watered. pots require two or more plant fountains. Self-watering drippers are an easy and effective way to during the holidays. Automatically maintains optimal moisture levels in soil for potted plants. Flow can be controlled. The plant waterer with control valve can control the drip rate, 2-30 per is controllable. Simple and convenient, without any cumbersome installation, just drill some holes in the bottom of the or cut the tail of the . Accurate amount of water, different amounts of water for different plants and flowers, the mouth is 1.1 inches, suitable for most beverage bottles, not suitable for mineral water and pure water bottles. Color: blue+green material: plastic Package Contents: 60 x automatic watering device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.