Raindrip R110CT 10-Count 1 GPH Dripper Raindrip's turbulent flow PC (pressure compensating) drippers maintain their rated flow rate for 10-60 psi inlet pressure. These drippers can be used at the end of 1/4 in tubing feeders or can be inserted directly into 1/2 in Raindrip hose. Ideal for medium soil (loam). Drippers For landscape and container plants Maintains a constant flow rate even on hillsides or long circuits Ideal for medium soil and loam Black base