Manufacturer Equivalent
    Manufacturer Equivalent
    Osram/Sylvania
    General Electric
    Philips
    Light Technology
    Light Technology
    High-Pressure Sodium
    Metal Halide
    Bulb Shape
    Bulb Shape
    TubularCone
    Bulb Shape Number
    Bulb Shape Number
    T14 1/2
    ED23 1/2
    ED18
    E25
    For Ballast ANSI Number
    For Ballast ANSI Number
    S51
    S50
    S55
    S54
    M59
    S66
    S62
    S68
    End-of-Life Operation
    End-of-Life Operation
    Cycling
    Non-Cycling
    Rated Life @ 3 Hours per Day
    Rated Life @ 3 Hours per Day
    18.2 yrs.
    27.3 yrs.
    36.5 yrs.
    73 yrs.
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Restart Time
    Restart Time
    1 min.-5 min.
    15-20 min.
    Instant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant with
    Exemptions
    RoHS Compliant
    Bulb Diameter
    Bulb Diameter
    2 1/4"
    2 15/16"
    Overall Length
    Overall Length
    7 3/4"
    9 3/4"
    Color Temperature
    Color Temperature
    1,900K
    2,100K
    4,000K
    Estimated Yearly Energy Cost
    Estimated Yearly Energy Cost
    $48.18
    $30.11
    $18.07
    $12.05
    $24.09
    $8.43
    $6.02
    Initial Start Time
    Initial Start Time
    1-5 min.
    1 min.-5 min.
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    For Ballast Type
    For Ballast Type
    Electronic
    Magnetic
    Color Rendering Index
    Color Rendering Index
    22
    65
    Light Appearance
    Light Appearance
    Warm
    Neutral
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    15 Products