Feature:
1. Stable water pressure is not affected by the drop in water level
2. Universal installation of 98% bottles, no leakage
3. No need to install tools
4. No need to cut the bottle or drill holes in the bottle
5. High quality, durable and sturdy
6. Small size, easy to store or use
How to use:
?1. First insert the control valve into the drinking fountain;
?2. Then take a plastic bottle filled with water;
?3. Then install a plant waterer on the bottle filled with water;
?4. Finally turn the bottle over and put it in the soil.