Philips MH 400W HPI – T E40 lamp Request Quote Category: Lighting Tags: light, metal halide, mh lamp, philips MH (metal halide) lights are generally used in the vegetative stage of growth (when plants are young and growing just stems and leaves). Related products Phantom Dual 315W CMH w/4200K Lamps, 120-240VRead MoreRequest Quote M5 HPS 1000W Horticultural Luminaire – NOBEL COMMERCIALRead MoreRequest Quote Cool White G13 18W Opal 4ft T8 LED TubeRead MoreRequest Quote