18 Watt Double Twin Tube CFL Light Bulb

4100K Cool White G24Q-2 Base, Box


No.3754600
Domestic CodeF18DTT/41/4P
Lamp ShapeDTT
Energy Used (Watts)18
Lamp BaseG24q-2
Color Temperature (Kelvin)4100
CRI82
Life (Hours)10000
Brightness (Lumens)1200
Max. Overall Length (MOL)5.81
Contains MercuryY
Life (Years)*9.1
Estimated Yearly Energy Cost**2.17


 * Based on 3 hrs./day
** Based on 3 hrs./day $.11/kWh
   Cost depends on rates and use.

Westinghouse DTT 18 Watt Cool White (4100K) G24q-2 Base CFL Pin-Based Light Bulb 3754600

CFL 4-pin replacement light bulbs are an energy efficient alternative to traditional incandescents. These bulbs last up to 10 times longer and use 75% less energy than an equivalent incandescent light bulb with the same light output. To help you find the right bulb for the right application, see Westinghouse’s full offering of CFL 4-pin replacement light bulbs available in variety of shapes, wattages and colors. These 4-pin replacement CFLs are for general illumination applications with fixtures that have electronic and dimming ballasts--everything from recessed or down lights to wall sconces and outdoor lights. These light bulbs contain mercury. Dispose of according to local, state or federal laws.

Product reference number 37546



  • CFLs save up to 75% energy compared to incandescent light bulbs
  • Long life for reduced maintenance costs
  • Variety of 4-pin replacement CFL light bulbs are flicker free
  • Available in a variety of colors, wattages and pin configurations
  • 4-pin CFLs are dimmable when used with electronic dimming ballasts
How to Buy

Can be purchased through many online and retail stores.