The Commercial Electric 40-Watt 4 ft. T12 Cool White Linear Fluorescent Light Bulbs (30-Pack) are designed for residential and commercial general-purpose lighting applications. These bulbs cast a cool, white beam of light, making them perfect for garages, basements or workshops. Using 40-Watt of energy, these bulbs can put out up to 2,500 Lumens and shine for as long as 24,000-hour.
Brightness: 2500 Lumenss
Estimated yearly energy cost: $4.82 (based on 3-hour/day 11/kWh, cost depend on rates and use)
Life: 21.9-year (based on 3-hour/day)
Light appearance: 4100K (cool white)
Energy used: 40-Watt
Lumens per watt: 62
T12 linear shape, bi-pin base bulb
Provides a cool, white light perfect for commercial and residential garages, workshops, basements or general purpose lighting applications
Features
Color Temperature
Cool White
Actual Color Temperature (K)
4100
Color Rendering Index (CRI)
87
Indoor/Outdoor
Indoor
Light Bulb Features
Energy Saving
Returnable
180-Day
Light Bulb Base Code
G13
Average Life (hours)
24000
Color Temperature2
Cool White
Number of Bulbs Included
30
Light Bulb Base Type
Medium
Lumens (Brightness)
2500
Wattage (Watts)
32
Lighting Technology
Fluorescent
Light Bulb Shape Code
T12
Bulb Shape
Linear
Bulb Construction
Glass
Product Length (in.)
48
Bulb Diameter (In.)
1.5
Approximate Light Bulb Length
4 ft.
Manufacturer Warranty
The average rated life is not less than 24,000 hours under specified test conditions with lamps turned off and restarted once every 3 operating hours.