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    1 Product
    About Brightness and Light Appearance
    industrial info icon

    Find the right lumen level to brighten your space. Then, compare the way warm, neutral, and cool lighting affect the appearance of everyday objects.

    Heat Lamp Bulbs

    Image of Product. Front orientation. Heat Lamp Bulbs. Heat Lamp Bulbs, R40 Bulb Shape.

    R40 Bulb Shape

    Keep food warm, speed up drying, or make chilly workstations comfortable. These bulbs radiate infrared heat that penetrates and warms the surfaces they shine on. The higher the wattage, the more warmth they give.
    R40 Bulb Shape—Cast a wide beam to warm large surfaces. They’re often used in hanging heat lamps and other large fixtures. These bulbs are made of blown glass.
    Wattage,
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    Glass Bulb
     
    R40 Bulb Shape—Medium-(Standard Household) Base (1 1/16" Diameter)
    375Clear5"7 5/8"120V AC/120V DC1547K16000000
    Glass Heat Lamp Bulb, R40, 375W, Clear
    EachIn stock
     
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