Screw-In Base Size
    Screw-In Base Size
    MogulMedium
    (Standard
    Household)
    Light Technology
    Light Technology
    Metal Halide
    Mercury Vapor
    High-Pressure Sodium
    For Ballast ANSI Number
    For Ballast ANSI Number
    H33
    H37
    H38
    H39
    M57
    M59
    M90
    M131
    M132
    M135
    M137
    M138
    M152
    M153
    M154
    M155
    S50
    S51
    S55
    Bulb Shape Number
    Bulb Shape Number
    ED37
    ED28
    EDX17
    ED23 1/2
    ED17
    Color
    Color
    Clear
    Frosted
    Base Number
    Base Number
    E39
    E26
    EX39
    Bulb Diameter
    Bulb Diameter
    2 1/8"
    2 15/16"
    3 1/2"
    4 5/8"
    Operating Position
    Operating Position
    Base Up
    Base Down
    Horizontal
    Overall Length
    Overall Length
    5 7/16"
    7 1/2"
    8 3/8"
    11 1/2"
    Start Type
    Start Type
    Pulse
    Probe
    Color Temperature
    Color Temperature
    2,000K
    3,600K
    3,700K
    4,000K
    4,100K
    5,000K
    Manufacturer Equivalent
    Manufacturer Equivalent
    General Electric
    Philips
    Osram/Sylvania
    Venture
    Initial Start Time
    Initial Start Time
    1-2 min.
    1-5 min.
    10-15 min.
    2 min.
    Estimated Yearly Energy Cost
    Estimated Yearly Energy Cost
    $48.18
    $42.16
    $12.05
    $21.08
    $30.11
    $38.54
    $18.07
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant with
    Exemptions
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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