Model NO.: GPH10W 14W 15W 18W... Material: Quartz Glass Tube Type: Ozone, No-Ozone, High-Ozone Cap Type: 4-Pin Ceramic Cap or PBT Cap Rated Power: 10W 14W 18W 23W 28W 40W...240W 320W Voltage: 12VDC, 24VDC, 110VAC, 220VAC Input