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Unlike the self ballasted mercury vapour bulbs the metal halide bulbs are incapable of starting without a correct wattage external ballast, this is due to the high amount of electrical current that is required to ignit the metal halide chemical and begin the light burning process.  

External Ballast Metal Halide Ballast

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35W Metal Halide Ballast

This is the External Ballast for the 35W Metal Halide bulbs

R1,150

50W Metal Halide Ballast

This is the External Ballast for the 50W Metal Halide bulbs

R1,250

70W Metal Halide Ballast

This is the External Ballast for the 70W Metal Halide bulbs

R1,350

150W Metal Halide Ballast

This is the External Ballast for the 150W Metal Halide bulbs

R1,450

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70W, External Ballast, Metal Halide Bulb

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The 70W Metal Halide bulb is an externally ballasted light source capable of delivering high levels of UVA & UVB

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