LSE Lighting GPH793T5VH/4 Ozone Producing UV Lamp GPH793T5/4P/HO/VH 4pin Single-Ended Brand: LSE Lighting Wattage: 39W Base Type: T5 4pin Base (4pins on ONE END) Length: 793mm (31 inches long) Type: Ozone Generating UV Lamp; Glass Type: Quartz Glass Tube