Raindrip R112CT 10-Count 2 GPH Drippers 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 light soil (sandy). Drippers For landscape and container plants Maintains a constant flow rate even on hillsides or long circuits Ideal for light soil and sand Green base