The Pressure Compensating Dripper on spike is a fixed diameter drip emitter designed to maintain throw over a wide range of inlet pressures (1 - 3.5 bar). This drip emitter has a gentle flow with a 40cm diameter (20cm radius). The full circle coverage is provided via its 8 mini water outlets. The built-in spike allows for securing the dripper in place at the base of plants. Connect to 4mm micro supply pipe via its barb inlet. Made from tough UV-stable plastic for a long life. Can easily be dismantled for cleaning and descaling. Great for watering pots, planter boxes, vegetable patches and landscape applications. Product Details: Fixed diameter pressure compensating dripper. Built-in stake secures dripper in place. Made from tough UV stable plastic. Can be dismantled for cleaning. Use at the base of plants. Supplied in packs of 5. Performance Info Pressure Flow 360° Diameter 100 kPa (1.0 bar) 24 lph 0.3 m 150 kPa (1.5 bar) 29 lph 0.4 m 200 kPa (2.0 bar) 33 lph 0.4 m 250 kPa (2.5 bar) 36 lph 0.4 m