SUN Super UP-01 9w UV Sterilizer Submersible Filter Pump, 211gph (2nd Generation) by Microsystems 211-Gallons per hour flow rate 9-Watt UV light 12-Inch high, 3.3-inch wide (with stand), 3-3/4-inch deep (with stand) 2nd Generation-better water sealing design Dimension: 12" L X 3.3" W X 3.75" H