SPL Horticulture Stmb 1000 Hydroponic 400w Watt Metal Halide Mh Grow Light Bulb Lamp for Magnetic and Digital Ballast

الوصف

Size:MH 400W No longer at the mercy of the weather. The SPL High pressure Sodium Bulb lets you grow better by providing reliability and performance. By concentrating its output around 550-600nm (yellow to red) wavelength of light, this bulb provides the essential spectrum needed for most plants on proper plant elongation, and maximized photosynthesis efficiency, proper fruiting, blooming, and flowering.