Grow Light Ballasts Provide Proper Voltage Supply In Indoor Gardening, Hydroponics, Aquaphonics and Greenhouse Lighting Applications.
Grow Light Ballasts feature solid state electronic circuitry for higher performance and longer life. Designed to provide low noise levels and energy saving efficiency. Grow light ballasts available to accept sodium (HPS) or halide (MH) bulbs to maintain proper lighting for all specific horticultural applications. Convertible grow lights listed that accept both HPS and MH bulbs to accommodate the entire growing season. Compatible with all Hydrofarm reflectors and most others. Voltage is 120-240 . Watts are 400, 600 and 1000. Dimensions vary per model.