FML27/65 27 Quad Tube Compact Fluorescent Light Bulb (2 Pack) These Compact Fluorescent Bulbs Efficiently Utilizes Only 27 Watts Of Energy While Producing A Visible Light At 1500 Lumens Emanating A 6500K Daylight Like Light That Is Comfortable To One's Eye, While Being Ideal For Any Setting That Requires A Large Dome Of Light Quad Tube Bulb Equipped With A 4-Pin Gx10Q-4 Base While Lasting Up To 10000 Hours On Average To Outlast Your Equivalent Incandescent Light Bulb With A Color Render Index Of 80, These Compact Fluorescent Bulbs Are Perfect For Any Room That Requires A Consistent Light Source For Reading, Writing, And/or Dining Replacement Light Bulbs For Any Compatible Residential, Commercial, And Even Industrial Desk Lamp, Floor Lamp And Other Common Lighting Task Light Source For Reading, Writing, And/or Dining