Product Feature: environment-friendly: silent design Safe: IP65, water-proof case, water-shortage protection Intelligent: Preventing the pump automatically restart frequently Reliable: Electronic Design, long-life for using, more than 200, 000 times operation, anti-vibration Widely application: Pipeline Pump, Booster Pump, Self-priming pump, Immersible Pump, Circulating Pump ect., widely using for solar heat pump, air-source heat pump, WILO home booster pump, Grundfos hot water circulating pump and other relevant pumps. tip: Four branch pipe 20mm Material: plastic colour: As shown Package Contents: 1 x water pressure pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.