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    Bulb Shape Number
    Bulb Shape Number
    T3
    T4
    Overall Length
    Overall Length
    3 1/8"
    4 5/8"
    4 11/16"
    4 3/4"
    10"
    10 1/16"
    Bulb Diameter
    Bulb Diameter
    3/8"
    1/2"
    Operating Position
    Operating Position
    Horizontal
    Base Down
    Base Up
    Beam Angle
    Beam Angle
    default
    260°
    360°
    Estimated Yearly Energy Cost
    Estimated Yearly Energy Cost
    $60.30
    $36.14
    $180.70
    $18.10
    $30.11
    $120.45
    Rated Life @ 3 Hours per Day
    Rated Life @ 3 Hours per Day
    0.3 yrs.
    1.4 yrs.
    1.8 yrs.
    Light Appearance
    Light Appearance
    Warm
    Neutral
    Not Rated
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Rated Life
    Rated Life
    300 hrs.
    1,500 hrs.
    2,000 hrs.
    Color Temperature
    Color Temperature
    2,900K
    3,200K
    Not Rated
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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    8 Products