This set of six garden watering system bottles is perfect for those who want to keep their plants and flowers well-watered without the hassle of constant maintenance. The drip set is compatible with Gardena Classic Cleaning Nozzle and Classic Hose 13mm, and has a maximum flow rate of 2 GPM. The bottles have a female 1/16 in threaded connection and are suitable for use in plant and flower pots. The waterer is designed with an adjustable flow rate and is suitable for installation above ground and underground. With a weight range of 0.1-2 lb, this plant waterer is easy to install and use, and is a must-have for any gardener.