【Package and Material 】80Pcs drip irrigation drippers.Made of hard plastic parts.anti-pressure,anti-aging and anti-ultraviolet.Attention please:1/4 inch tubing in the image is NOT INCLUDED. It is just an effect display. Please prepare tubing separately before using emitters 【Adjustable 360 Degree】Flexibly adjustable water flow while using emitters.You can adjust the water flow mode and sprinkling distance by rotating the cap.Diameter from 0 to 10 feet. Besides,emitter cap can be opened for check and cleaning 【Measurement】Emitters:works perfectly with 1/4 inch drip irrigation tubing, ideal for 4mm(inner)-7mm(outer) garden watering system;Irrigation dripper stake height: 5.5 inch.Please pay attention to the specifications before purchasing 【Quick and Leak-proof 】Easy to install without any other tools.Just push the tube firmly onto the barb and tighten the nut. Locks increases the tightness and will not leak 【Application】Our drip irrigation parts can be widely used in gardens, grow bags,pot plants greenhouses, patio vegetable gardens, flower beds, terraces and lawns, and other agricultural irrigation FOGWOWO Drip Irrigation Emitters for 1/4" Drip Tubing,Adjustable 360 Degree Automatic Irrigation Drippers on 5" Arrow Stake for 4-7mm Irrigation Watering System