The Lumen T3 Half Spiral is a mid-range economy bulb with the same lighting characteristics as the higher end T2 bulbs but in a less compact size. This is the first spiral bulb on the market following the introduction of U-Shape CFLs to the lighting market.  Some key features of the bulb are:

• 10,000 hour lifetime
  
• Spiral bulb for the economically minded
  
• Ideal for residential use and commercial lighting (hallways)
• The 23W version can replace a 100W incandescent
• Available with CE, RoHS, Energy Star and UL approvals depending on market