Adjustable valve: the flow can be controlled. The plant watering device with regulating valve can control the drip speed from 0 to 60s / drop and continuously drip water for 1 to 15 days .Simply adjust the valve to meet to suit your needs, no complicated setup steps are required. Save time and water. Simple and practical: no need to install any tools, just drill holes in the bottom of the bottle or cut the end of the bottle to maintain air circulation. Precise water volume: For different plants and flowers with different water volume, plant sanitation was not performed. Other irrigation equipment is either too few or too many for some plants. Old leaves turn yellow and fall off, but if the new shoots turn yellow, It may indicate too much or not enough water. Easy to Use: Fits most bottles with an inner diameter of 1.1 inch. For example: Pepsi, Coca-Cola, Deet Cola, Dr. pepper. No need to find another bottle to store the water. No need for tedious installation; drill or cut holes in
