GIHENHAO 24 Pack Self Watering Spikes for Plants,Automatic Plant Waterer Indoor,Adjustable Drip Irrigation Devices for Outdoor & Garden

Adjustable valve: The plant watering Device with control valve can control the dripping speed of 0-60s/drip, and the sustained drip lasts for 1-15 days.Only adjust the valve to Meet your needs without complicated setup steps.
Simple and Convenient: Installed without any tools, just drill some holes in the bottom of the bottle or cut the tail of the bottle to keep the air flowing.Loosen the slow release control valve switch on the regulating valve according to the irrigation needs.
Warning: Compatible with all 1.1 inch/2.8cm inner diameter, suitable for most beverage bottles, not suitable for mineral water and purified water bottles. (Measure the inner diameter of the bottle including the thread size before installation)
Widely Application: The watering device is perfect for potted plants, garden, houseplants, patio plants, hanging baskets, deck pots, hanging plants and many more, which provides different amounts of water for different plants and flowers. We recommend that you use it according to your potted water needs.
Excellent Service: Customer satisfaction is our top priority. If you have any doubt of our products, please feel free to contact us, we will reply you and solve the problem within 24 hours. To make your shopping experience better and to enhance our service, if you have any better suggestions, we are always willing to listen.