20 Pack Auto Drippers Self Plant Watering Spikes Automatic

10 Pack Auto Drippers Self Plant Watering Spikes Automatic Adjustable Control Valve Switch Design Feature: The Plant self-watering devices support most common plastic bottles which have an inner diameter of 1.1 inch, like 20-ounce Pepsi, Coke, Dasani water, Diet Coke, Coca-Cola, Pepsi, water bottles or other 1.1-inch inner diameter bottles Keeping your plant properly watered: Different types of plants require different amounts of water.With our automatic plant watering system with adjustable valve, you can easily calculate how much water to drip for your plants. Flow rate control: plant watering device with control valve can control drip speed (0–60 s/ 1 drip, slow release drip for 1–15 days Effectively recycle: use plastic bottles, made of ABS plastic. It can be repeated and