Easy flow control means your plants receive the correct amount of water Before installing, measure the bottle's inner diameter, taking into account the thread size. Easy to use: Without any tedious installation, all you need to do is to cut a hole in the bottom of the bottle and tighten the drip irrigation watering devices, and then insert it into the soil Cooper Buss Fuses MDL 1 1 Amp Slow Blow Fuse 250V PACK OF 5. 3 Q4B 30009 JR. Shipping Policy: We ship within 24 hours of receiving payment With our self watering spikes with a drip-proof design,That is helpful for planting scientifically and making sure plants healthy,you don’t have to... 24PCS Plant Self Watering Insert Spikes Device, Automatic Water Control System Slow Release Valve Adjustable Water Volume Drip Irrigation Control Syst Usually, we recommend insert these watering spikes in the middle of the pot and let them stand vertically to avoid falling down in case of plant pot is not heavy enough. Adjustable Valve: Our plant water spikes with slow release valve switch can be controlled with dripping speed 0-60s/drip. the 550ml bottle can be used for 5-7 days at a slow speed, and the 2-liter beverage bottle can be used for 7-20 days. Applicable: Plant watering device provide water straight to the plants roots, suitable for most plants. Plant Watering Devices 24 Pack Self Watering Spikes For Plants, Self Watering Indoor Watering Can