Older linear fluorescent fixtures used throughout most of the older buildings on the Western Michigan University campus utilized T12 type magnetic ballasts ... concentration and the overall health of ...

2 LAMP, 120-277 VOLT, T8, T10, T12 FLUORESCENT EMERGENCY BALLAST 0 TO 39 WATT, 600 TO 700 LUMENS, 90 MIN RUN TIME, 2 INCH LONG X 9-16/41 INCH WIDE X 1-1/2 INCH HIGH. FREE 2 YEAR RADWELL WARRANTY [See ...

2 LAMP, 120-277 VOLT, T8, T10, T12 FLUORESCENT EMERGENCY BALLAST 0 TO 39 WATT, 600 TO 700 LUMENS, 90 MIN RUN TIME, 2 INCH LONG X 9-16/41 INCH WIDE X 1-1/2 INCH HIGH. FREE 2 YEAR RADWELL WARRANTY [See ...