13W fluorescent lamp with 4-pin base *Sub Brand: Dulux D/E *Watts: 13 watt *Bulb Shape Type: TTT *Three Way Bulb: No *Diameter: 1.38 in. *Length: 1.38 in. *Product Type: CFL Bulb *Light Color: Cool White *Bulb Type: Compact *Color Temperature: 4100 K *Number in Package: 1 pk *Volts: 120 volt *Commercial or Residential: Commercial and Residential *Packaging Type: Boxed *Dimmable: No *Average Rated Life: 12000 hr. *California Title 20 Compliant: Yes *Indoor or Outdoor: Indoor *Color Rendering Index: 82 CRI *Lumens: 900 lumens