If you're looking for emitters for your drip irrigation system that are sturdy and reliable and resist clogging, consider the Woodpecker Drip Irrigation Emitters from DripWorks. Emitters play a small but crucial role in properly watering plants. Many folks consider the Netafim Woodpecker line of emitters the best on the market.
These Woodpecker drippers are heavy-duty, pressure-compensating emitters. Many grape growers favor them in the rugged vineyards of Northern California.