Manufacturer Part Number: 383331|Lamp Style|Commercial; IndustrialLamp Type|PLCLamp Technology|FluorescentBase Style|4-PinUL Type|Lamp Start Type|Lumens|1200Wattage|18Dimmable|NoOverall Length (Inch)|Shatter Resistant|Color Temperature Range|Cool (3700 to 4499)Wattage Range|Overall Diameter (Frac)|Overall Diameter|Package Quantity|Wattage Equivalent Range|Color Rendering Index|82Indoor/Outdoor|Voltage|Beam Angle|Dimmability|Shatter Resistance|Beam Angle Type|Color Temperature|4100KColor|Lamp Shape|Beam Angle Range|DLC Listed|High Output|Base Code|G24q-2Wattage Equivalent|Diameter (Inch, Fraction)|G.E. Part Number|Philips Part Number|PL-C 18W/841/4P/ALTO 10PKSylvania Part Number|CF18DD/E/841EPP Indicators|EPP GSA Codes|Average Life Hours|12000Lamp Finish Color|Product Service Code|UNSPSC Code|