Specifications: Materials: Body Material: ABS EPDM Plastic Seals Float Material: PE Spool Material: Silicone Thread Size: 1/2 inch Application Pressure: 0.1-1.2 MPA Water Temperature: 0 degrees Celsius to 70 degrees Celsius Total Valve Length: 6.0 inches (excluding the 1.1 inch outer mouth) Package Contents: 3 x Float Ball Valves