Philips Lighting 220475 PL-C Energy Advantage Linear Compact Fluorescent Lamp 23.5 Watt 4-Pin G24q-3 Base 1525 Lumens 82 CRI 3500K White Alto Price For: Each Lamp Technology: Fluorescent Lamps Style: Commercial/Industrial Lamp Type: PLC Wattage Equivalent Range: 75-99 Actual Wattage: 21.0 Base Style: 4 Pin Color Temperature Range: Neutral (3000-3699) Dimmability: NonDimmable Shatter Resistance: NonShatter Resistant Overall Length (Inch): 6-1/2 Base Code: GX24q-3 Wattage Equivalent: 84.0 Average Life (Hours): 12000 Color Temperature: 3500 Color Rendering Index: 82 Lumens: 1525 Diameter (Inch): 1-1/16 Philips Part Number: PL-C 26W/835/XEW/4P/ALTO 21W