Model: JQ-UV-A04/B04. JQ-UV-A06/B06. JQ-UV-A12/B12 Voltage: 110V/220V~50Hz.DC12V.24V Wave length :253.7nm Fountain: 0.25GPM(1L/min). 0.5GPM(2L/min). 1GPM(4L/min) Overall dimension: Φ38?00. Φ38?80. Φ38?50 UV power: 4W. 6W. 12W Indicating lamp: LED Inlet&outlet size :1/4" or Φ9?