Choose a Category
    Manufacturer Equivalent
    Manufacturer Equivalent
    General Electric
    Osram/Sylvania
    Philips
    Bulb Shape
    Bulb Shape
    ConeBlown Tubular
    Bulb Shape Number
    Bulb Shape Number
    ED37
    ED28
    ED23 1/2
    BT56
    For Ballast ANSI Number
    For Ballast ANSI Number
    H33
    H38
    H37
    H39
    H36
    Overall Length
    Overall Length
    7 1/2"
    8 3/8"
    11 1/2"
    15 3/8"
    Color Temperature
    Color Temperature
    3,700K
    4,000K
    For Ballast Type
    For Ballast Type
    Electronic
    Magnetic
    Bulb Diameter
    Bulb Diameter
    2 15/16"
    3 1/2"
    4 5/8"
    7"
    Estimated Yearly Energy Cost
    Estimated Yearly
    Energy Cost
    $48.18
    $12.05
    $21.08
    $30.11
    $120.45
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    5 Products