They could be widely used compatible with agriculture, garden, lawn, garden, patio, greenhouse or potted plant etc. could effectively resist UV and chemical erosion, there drip irrigation stake sprayers are durable, tough and long-lasting.Adjustable Micro-Bubbler Emitters- with eight holes, these drip irrigation stake sprayers can emits 8 streams of waterBy twisting the cap,which can meet the needs of the different types of plants and water spacing.These adjustable irrigation emitters directly lead the water to the root zone, not only making your watering more efficient and water-saving, but also keeping your plant more green and1/4 inch Stake Support- these drip irrigation stakes could perfectly hold the 1/4 inch hose in the place where you want or raise the watering drippers off the ground, keeping your irrigation watering system more smooth.Easy Installation- Drip Irrigation Emitters - Fist Method: use a puncher to drill a 1/4 inch hole in the middle of the hose, and then directly insert them into the hole. Method Two: directly inserting them into at end of a length of 1/4 inch tubing. (Note: Please soak the tubing in very hot water compatible with a bit becompatible withe inserting the fittings )Rotating Angle: 360 degreeCompatibility: 1/4 tube or PE tubeAdjustable flow range: 0-70L/hWorking pressure: 1-3KGTime Water Saving: As the important parts of any drip irrigation system, drip emitters deliver precise amounts of water directly to the plant root area, keeping your plant more green and healthier, making you watering more easy and convenient. Saving your time and water.Adjustable Flow: twisting the red cap to the right direction, you could adjust the water flow to sprinkler water or dropping water, allowing each plant to receive its customized watering according to its precise needs.Removable Washable: the redcap is easily removed, so that you could wash these drip heads, removing sediment and silt and make sure that the water flow is smooth.colour: Black + redMaterial: plasticsize: Drip irrigation height: 13cmSupport rod approx.: 10cmSpray Distance: 0 - 20 inchBarbed Inlet: 1/4 inchPackage Contents: 50 * drip irrigation50 * support pile1 * puncherOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.