Metal Halide

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  1. Keystone MPS-1000A-Q-KIT 1000W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $226.10

    Special Price: $161.50

    1000W Pulse Start (M141) Metal Halide Ballast Q-Kit.

  2. Keystone MPS-175A-P-KIT 175W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $97.58

    Special Price: $69.70

    175W Pulse Start (M137) Metal Halide Ballast P-Kit, 88% Efficiency.

  3. Keystone MPS-175A-Q-KIT 175W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $83.75

    Special Price: $59.82

    175W Pulse Start (M137) Metal Halide Ballast Q-Kit, 88% Efficiency.

  4. Keystone MPS-200A-P-KIT 200W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $99.96

    Special Price: $71.40

    200W Pulse Start (M136) Metal Halide Ballast P-Kit, 88% Efficiency.

  5. Keystone MPS-200A-Q-KIT 200W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $86.01

    Special Price: $61.44

    200W Pulse Start (M136) Metal Halide Ballast Q-Kit, 88% Efficiency.

  6. Keystone MPS-250A-P-KIT 250W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $99.96

    Special Price: $71.40

    250W Pulse Start (M138) Metal Halide Ballast P-Kit, 88% Efficiency.

  7. Keystone MPS-250A-Q-KIT 250W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $93.27

    Special Price: $66.62

    250W Pulse Start (M138) Metal Halide Ballast Q-Kit, 88% Efficiency.

  8. Keystone MPS-320A-P-KIT 320W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $119.00

    Special Price: $85.00

    320W Pulse Start (M132) Metal Halide Ballast P-Kit, 88% Efficiency.

  9. Ballast

    Regular Price: $104.74

    Special Price: $74.82

    320W Pulse Start (M132) Metal Halide Ballast Q-Kit, 88% Efficiency.

  10. Keystone MPS-350A-P-KIT 350W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $120.19

    Special Price: $85.85

    350W Pulse Start (M131) Metal Halide Ballast P-Kit, 88% Efficiency.

  11. Keystone MPS-350A-Q-KIT 350W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $114.07

    Special Price: $81.48

    350W Pulse Start (M131) Metal Halide Ballast Q-Kit, 88% Efficiency.

  12. Keystone MPS-400A-4-KIT 400W Metal Halide Ballast Kit, 480V

    Regular Price: $111.86

    Special Price: $79.90

    400W Pulse Start (M144) Metal Halide Ballast 4-Kit, 88% Efficiency.

  13. Keystone MPS-400A-P-KIT 400W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $109.48

    Special Price: $78.20

    400W Pulse Start (M135) Metal Halide Ballast P-Kit, 88% Efficiency.

  14. Keystone MPS-400A-Q-KIT 400W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $103.46

    Special Price: $73.90

    400W Pulse Start (M135) Metal Halide Ballast Q-Kit, 88% Efficiency.

  15. Keystone MPS-450A-P-KIT 450W Metal Halide Ballast Kit, Multi-Tap

    Regular Price: $128.52

    Special Price: $91.80

    450W Pulse Start (M144) Metal Halide Ballast P-Kit, 88% Efficiency.

  16. Keystone MPS-450A-Q-KIT 450W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $121.21

    Special Price: $86.58

    450W Pulse Start (M144) Metal Halide Ballast Kit, 88% Efficiency.

  17. Keystone MPS-750A-Q-KIT 750W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $166.24

    Special Price: $118.75

    750W Pulse Start (M149) Metal Halide Ballast Q-Kit, 88% Efficiency .

  18. 150W Metal Halide

    Regular Price: $142.80

    Special Price: $102.00

    150W (M102) Metal Halide, F-CAN Ballast.

  19. Ballast

    Regular Price: $82.63

    Special Price: $59.02

    150W (M102) Metal Halide Ballast Q-Kit.

  20. Keystone MH-175A-D-FCAN 175W Metal Halide F-Can Ballast

    Regular Price: $126.14

    Special Price: $90.10

    175W Metal Halide F-Can ballast for use with M57/H30 Lamps

  21. 175A P-Kit

    Regular Price: $74.42

    Special Price: $53.16

    175W (M57) Metal Halide Ballast P-Kit.

  22. Ballast

    Regular Price: $70.31

    Special Price: $50.22

    175W (M57) Metal Halide Ballast Q-Kit.

  23. Ballast

    Regular Price: $97.77

    Special Price: $64.12

    250W (M58) Metal Halide Ballast P-Kit.

  24. Keystone MH-250A-Q-KIT 250W Metal Halide Ballast Kit, Quad Tap

    Regular Price: $83.75

    Special Price: $59.82

    250W (M58) Metal Halide Ballast Q-Kit.

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