Sunlite F21T5/835/12PK 21 Watt T5 High Performance Straight Tube Mini Bi-Pin (G5) Base, 3500K Neutral White, 12 Pack Track a White Tuff Skin glass

a White Tuff Skin glass to resist shattering and contains broken glass in case of breakage and has an average rated life of 2000 hours

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

This energy star certified 23 watt 2700K

This Sunlite energy saving 2 watt 3k SLJ CFL medium base bulb offers 9 lumens of light output

Sunlite F21T5/835/12PK 21 Watt T5 High Performance Straight Tube Mini Bi-Pin (G5) Base, 3500K Neutral White, 12 Pack Track a White Tuff Skin glassSunlite Fluorescent 21 watt 3500K Neutral White T5 High Performance Straight Tube features a Mini Bi Pin (G5) base, provides a light output of 1900 lumens at a color rendering index (CRI) of 82 and can last an average of, 20000 hours. These lamp utilize a single and double coat phosphor system. Series lamps have an increased CRI due to the use of tri phosphors (rare earth phosphors). Tri phosphors also increase the lumens watt output of the lamp.