Photo 1 of iPower GLBLST600D Horticulture 600 Watt Digital Dimmable Electronic Ballast for Hydroponics HPS MH Grow Light, 600W unique plug unable to test

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Photo 1 of iPower GLBLST600D Horticulture 600 Watt Digital Dimmable Electronic Ballast for Hydroponics HPS MH Grow Light, 600W unique plug unable to test Photo 2 of iPower GLBLST600D Horticulture 600 Watt Digital Dimmable Electronic Ballast for Hydroponics HPS MH Grow Light, 600W unique plug unable to test Photo 3 of iPower GLBLST600D Horticulture 600 Watt Digital Dimmable Electronic Ballast for Hydroponics HPS MH Grow Light, 600W unique plug unable to test