ITEM NAME:1X Float Ball Valve Shut off 1/2" Automatic Fill Feed Humidifier tank Water Z Product Type: WDN15 Thread Size:1/2" Body Material: ABS plastic gaskets EPDM Float material: PE Spool Material: NR Apply pressure: 0.02- 1.0 MPA Water temperature: -30 degrees Celsius to 70 degrees Celsius.Float material: PE. Spool Material: NR. Valve total length: 15 cm, (excluding outer rib mouth 2.8CM). Thread Size:1/2".