20 Pack Self Watering Spikes for Plant, Self Watering Planter Insert, Plant Watering Spikes with Adjustable Control Valve Switch, Plant Watering Devices for Indoor Outdoor Potted Plants

About this item High Quality: The plant watering devices made of high-quality ABS plastic, durable and reusable. Adjustable Valve: The self watering spikes with adjustable valve switch can adjust the dripping speed of 0-60s/drip, and can continuously drip lasts for 1-15 days. Only adjust the valve to Meet your needs without complicated setup steps. Fits Most Bottles: The plant watering spikes fit for water bottles with inner mouth diameter 1.1inch/28mm. Not fit for all water bottles, please measure the inner diameter of the bottle including the thread size before installation. Easy To Use: This self watering planter is easy to use, just drill some holes in the bottom of the bottle or cut the tail of the bottle to keep the air flowing, then insert these automatic watering devices into the soil and adjust the dripping speed. Widely Application: The plant watering spikes is perfect for potted plants, desk pots, hanging baskets, patio plants, outdoor garden, etc. Don’t worry about your plants withering during travel for business or travel on holiday.