Garden Adjustable Water Flow Dripper Potted Automatic Watering Device *3PCS Garden Adjustable Water-flow Dripper Potted Automatic Watering Device 【Adjustable Water Volume System】 The automatic Self Watering Spike Device consists of a slow release control switch, and the watering speed can be adjusted. 【Irrigation Drippers Suitable for All Bottles】 The upgraded self-watering spike fits for all bottles normal size bottle in daily life. Don't waste time finding the right bottle, most bottle make the self-watering system work. 【Automatic Irrigation Watering Devices】 No tools are required for installation. Screw the regulating . Tighten the holder. Insert the bottle that with water. Inverted waterer and bottle, insert into the soil. 【Reliable Material】 Our watering spikes are made of high-quality PP , recycling and eco-friendly, strong and durable. And our irrigation drippers ensures a long service life for daily using. 8 x Automatic watering device Garden Adjustable Water-flow Dripper Potted Automatic Watering Device 【Adjustable Water Volume System】 The automatic Self Watering Spike Device consists of a slow release control switch, and the watering speed can be adjusted. 【Irrigation Drippers Suitable for All Bottles】 The upgraded self-watering spike fits for all bottles normal size bottle in daily life. Don't waste time finding the right bottle, most bottle make the self-watering system work. 【Automatic Irrigation Watering Devices】 No tools are required for installation. Screw the regulating . Tighten the holder. Insert the bottle that with water. Inverted waterer and bottle, insert into the soil. 【Reliable Material】 Our watering spikes are made of high-quality PP , recycling and eco-friendly, strong and durable. And our irrigation drippers ensures a long service life for daily using. 8 x Automatic watering device