GE 12864 - F18DBXT4/SPX41 Double Tube 2 Pin Base Compact Fluorescent Light Bulb 000 Hour Life Span it can provide the same

it can provide the same brightness as a 40 wattss incandescent bulb can which means you'll be able to save 75% on your electricity energy use

Philips 27484-5 - 250 Watt - ED28 - Metal Halide Unprotected Arc Tube - 4000K - ANSI M58/E - Mogul Base - Universal Burn - MH250/U ED-28 bulb with a Mogul (E39) base

7W/MED/R LED lamp lasts long

1000 Lumen output with a color temperature of 4000K (cool white)

Produces a spectacular warm white light at 300 lumens

GE 12864 - F18DBXT4/SPX41 Double Tube 2 Pin Base Compact Fluorescent Light Bulb 000 Hour Life Span it can provide the same18 watt T4 2 Pin (G24d 2) Base 4,100K Cool White Double Tube SPX Series Double Biax GE Compact Fluorescent Light Bulb