PC pressure compensating dripper provides flow rate 2L/H, 4L/H and 8L/H, different color indicate different volume water. Obtaining high uniformity of water application and fertilizers on each plant and making each installation profitable. For installation use punch 3mm. Can be placed directly onto PE pipe (Polypipe) 16mm to 32mm or at the end of 4/7 PVC soft hose 6mm. The outlet of PC dripper can be connected with drip arrow by connector and 3/5 PVC soft hose, in order to guide the droplet to the required position. For vineyards, fruit tree, greenhouses and pot plants.