Universal pressure-compensating (PC) and compensating non-leakage (CNL) butter dripper with self-flushing operation. Mounted on a PE pipe. Application For greenhouses, nurseries, orchards, landscaping, gardening, vegetables and berries, for pulse irrigation for growing hydroponically, potting, soilless culture. Provides reliable, uniform watering, at areas with a height difference as well. If you purchase a dripper complete with micro drip manifold and drip spikes, be sure to book the connecting pipe diameter 3/5 mm.