Product Description:
This is a 360W HPS bulb that works with a 400W MH ballast. If you bought a MH lighting system to use during the vegetative stage, then get this bulb to use during the flowering stage. Simply unscrew the existing MH bulb and replace it with this one and your set. The Hortilux HPS lamp is an excellent bulb for growing plants. It provides an enhanced spectrum in the blue, green, red and orange spectrums, which promotes vigorous plant growth.