375 Watt R40 Incandescent Light Bulb

375 Watt R40 Incandescent Light Bulb

2400K Clear Infrared Heat Flood E26 (Medium) Base, Box


No.0391500
Domestic Code375R40/HT
Lamp ShapeR40
Energy Used (Watts)375
Lamp BaseE26 (Medium)
Volts120
Color Temperature (Kelvin)2400
Life (Hours)5000
Brightness (Lumens)2300
Max. Overall Length (MOL)6.50
Beam TypeFlood
Light Center Length4
Life (Years)*4.5
Estimated Yearly Energy Cost**45.17


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

Westinghouse R40 375 Watt Clear (2400K) E26 (Medium) Base Incandescent Reflector Light Bulb 0391500

Incandescent infrared heat reflector light bulbs are available in a standard R40 shape. These light bulbs last on average up to 5000 hours. To help you find the right bulb for the right application, see Westinghouse’s full offering of infrared heat light bulbs available in multiple wattages as well as clear and red finishes. These reflectors with medium screw bases are perfect for use in brooder lamps. They are also compatible for use with standard household fixtures including bathroom heat lamps.

Product reference number 03915



  • Available in multiple wattages including 125, 250 and 375
  • Last up to an average of 5000 hours
  • R40 infrared heat light bulbs available in clear and red finishes
  • These light bulbs operate at extremely HOT temperatures
How to Buy

Can be purchased through many online and retail stores.