Tigrezy - 24 Pack Self Watering Spikes for Plant, Outdoor Automatic Plants Waterer, Insert Devices with Adjustable Vavle Switch for Garden Water

Adjustable Valve: The flow rate can be controlled. The plant watering Device with control valve can control the dripping speed of 0-60 s/drip, and the sustained drip lasts for 1-15 days. Only adjust the valve to Meet your needs Simple and Convenient: Installed without any tools, 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 Multi-Scene Application: Vegetables, potted plants, houseplants, water plants day-to-day, patio plants, herbs, hanging baskets, desk pots, hanging plants, outdoor gardens, small tree, shrubs Warning: Compatible with all 1.1 inch/2.8 cm 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)