10 x Universal Drip Watering System, Automatic Watering System for Indoor and Outdoor Use, Plant Sprinkler with Garden Regulating Valves (Style 1)

Universal - Works with all bottle necks, large and small. No more worries about thread compatibility. (Not applicable to a few very large bottle necks.) Adjustable Flow Control - Turn outward for up to 30 drops/min (thirsty plants), inward for only 2 drops/min (succulents, small pots). TOOL-FREE INSTALLATION IN 10 SECONDS - Fill a standard plastic bottle, cut the bottom or drill a small air hole, screw the watering stake onto the bottle and push it into the ground. Done. Ready for vacations – A full 1.5 L bottle waters plants for 3 to 20 days depending on the flow setting. No need for a neighbor. DURABLE, REUSABLE