• 40W Quad-Loop Bulb
  • 40W Quad-Loop Bulb
  • 40W Quad-Loop Bulb
  • 40W Quad-Loop Bulb
  • 40W Quad-Loop Bulb
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  • 40W Quad-Loop Bulb
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40W Quad-Loop Bulb

  • $24
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  • The 40W Quad-Loop Tungsten-Filament Bulb is typical of those used in early-20th-century lighting.

    Carbon-filament light bulbs debuted in the 1890s and lit the way until 1912, when bright and powerful tungsten-filament bulbs transformed the industry.

    • Standard base
    • Light output equivalent to 35W incandescent bulb
    • Imported