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Fluorescent Lamps

Topbulb carries a large selection of Keystone fluorescent light bulbs. If you do not find the Keystone brand fluorescent lamp you are looking for, call one of our lighting specialists at 800.867.2852. In most cases, we can find the Keystone fluorescent lamp you need at a competitive price.

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  1. Keystone - 8W T9 Fluorescent Circline - 4100K - 60CRI
    Price: $3.95
    1 to 647 $3.95 each
    648 to 1295 $3.45 each
    1296 and above $2.95 each
  2. Keystone - 8W T9 Fluorescent Circline - 6500K - 76CRI
    Price: $3.95
    1 to 647 $3.95 each
    648 to 1295 $3.45 each
    1296 and above $2.95 each
  3. Keystone - 12W T9 Fluorescent Circline- 4100K - 60CRI
    Price: $4.95
    1 to 575 $4.95 each
    576 to 1151 $4.45 each
    1152 and above $3.95 each
  4. Keystone - 12W T9 Fluorescent Circline- 6500K - 76CRI
    Price: $4.95
    1 to 959 $4.95 each
    960 to 1919 $4.45 each
    1920 and above $3.95 each
  5. Keystone - 16W T9 Fluorescent Circline - 4100K - 60CRI
    Price: $4.95
    1 to 575 $4.95 each
    576 to 1151 $4.75 each
    1152 and above $4.55 each
  6. Keystone - 16W T9 Fluorescent Circline - 6500K - 76CRI
  7. Keystone - 17W T8 Fluorescent - 3500K - 85CRI - High Performance - 25 Case
    Price: $65.95
    1 to 65 $65.95 each
    66 to 131 $62.65 each
    132 and above $59.55 each
  8. Keystone - 17W T8 Fluorescent - 5000K - 85CRI - High Performance - 25 Case
    Price: $65.95
    1 to 79 $65.95 each
    80 to 159 $62.65 each
    160 and above $59.55 each
  9. Keystone - 25W T8 Fluorescent - 3500K - 85CRI - High Performance - 25 Case
    Price: $67.95
    1 to 74 $67.95 each
    75 to 149 $64.55 each
    150 and above $61.35 each
  10. Keystone - 25W T8 Fluorescent - 4100K - 85CRI - High Performance - 25 Case
    Price: $67.95
    1 to 55 $67.95 each
    56 to 111 $64.55 each
    112 and above $61.35 each
  11. Keystone - 25W T8 Fluorescent - 5000K - 85CRI - High Performance - 25 Case
    Price: $67.95
    1 to 55 $67.95 each
    56 to 111 $64.55 each
    112 and above $61.35 each
  12. Keystone - 32W T8 Fluorescent - 3500K - 85CRI - High Performance - 25 Case
    Price: $68.95
    1 to 64 $68.95 each
    65 to 129 $65.55 each
    130 and above $62.25 each
  13. Keystone - 32W T8 Fluorescent - 4100K - 85CRI - High Performance - 25 Case
    Price: $68.95
    1 to 64 $68.95 each
    65 to 129 $65.55 each
    130 and above $62.25 each
  14. Keystone - 32W T8 Fluorescent - 5000K - 85CRI - High Performance - 25 Case
    Price: $68.95
    1 to 64 $68.95 each
    65 to 129 $65.55 each
    130 and above $62.25 each
  15. Keystone - 14W T5 Fluorescent - 3500K - 85CRI - High Efficiency - 25 Case
    Price: $77.95
    1 to 49 $77.95 each
    50 to 99 $74.05 each
    100 and above $70.35 each
  16. Keystone - 21W T5 Fluorescent - 3500K - 85CRI - High Efficiency - 25 Case
    Price: $77.95
    1 to 49 $77.95 each
    50 to 99 $74.05 each
    100 and above $70.35 each
  17. Keystone - 21W T5 Fluorescent - 4100K - 85CRI - High Efficiency - 25 Case
    Price: $77.95
    1 to 49 $77.95 each
    50 to 99 $74.05 each
    100 and above $70.35 each
  18. Keystone - 28W T5 Fluorescent - 3500K - 85CRI - High Efficiency - 25 Case
    Price: $77.95
    1 to 44 $77.95 each
    45 to 89 $74.05 each
    90 and above $70.35 each
  19. Keystone - 28W T5 Fluorescent - 5000K - 85CRI - High Efficiency - 25 Case
    Price: $77.95
    1 to 44 $77.95 each
    45 to 89 $74.05 each
    90 and above $70.35 each
  20. Keystone - 17W T8 Fluorescent - 4100K - 85CRI - High Performance - 25 Case

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