Product Details Product Type: Drip Irrigation System Flow Rate: 0.3 GPH per stake Tube Length Options: 36" or 48" Recommended PSI: 15-50 PSI (optimal range: 25-35 PSI) Pressure Compensating Emitter: Yes Self-Cleaning Lateral Torturous Path: Yes Pump Requirement: Minimum Max Head Height / Total Lift of 40 feet Compatibility: Not compatible with Quick Disconnect Pipe Systems Quanity: Single Unit