Patio Watering Kit, Includes 1 Each Of The Following: Backflow Preventer, 25 PSI Pressure Regulator, 1/4" Screened Hose Adapter, 1/4" x 60' Tubing & Planning Guide, 2 Each 1/4" Valves & 1/4" Connectors, 9 Each 1/4" Tees, 10 Each Of The Following: 1 GPH Pressure Compensating Drippers, 1/4" Tubing Holder Stakes & 1/4" Tubing Holder Clips With Nail.