* 1. The product is suitable for bottles with an inner diameter of 1.1 inches (2.79cm)
* 2. The flow rate can be controlled, and the plant watering device with a control valve can control the dripping speed 0-60s/1 drip, and the sustained release dripping lasts for 1-15 days
* 3. Simple and convenient, without any complicated installation, just drill some holes in the bottom of the bottle or cut off the tail of the bottle
