About this item 360 degree adjustable: 360 Drip Irrigation Emitters 8-hole full-circle spray pattern, adjustable flow irrigation drippers, you can adjust the amount of water by twisting the outer cap to open or block the holes, saving the water resources and money. Design: Adjustable flow 0-70 L/H - 1/4 (4-7mm) adjustment Drip irrigation hose - professional quality drippers for drip irrigation. The stake dripper comes with an extra connector to attach 1/4" drip tubing! Can be used for all terrains. Be sure to put the connected part in 70~80 water for 10 seconds before assembling it. Once cooled the tube will stay tight.: High Quality:Made of quality material. Lightweight, anti acid and alkali, anti corrosive, low temperature resistant, odorless. The bottom of the dripper is sharp and easy to insert into the ground. Durable and long service life in the ground. Wide Use: Drip irrigation emitters can be used in low pressure situation. Suitable for pots, tubs, ground cover, landscape gardens, flower beds, vegetable gardens, greenhouse, orchard, lawn, self-planting, watering herb gardens, etc.