Sunmaster® Blue Ice Metal Halide Lamps surpass many other HID sources in PAR watts - the most objective measurement of total light energy available for photosynthesis. Designed for optimal performance on electronic ballasts. Proper lighting is a key ingredient in promoting robust, healthy growth as well as meeting the needs of various plant growth phases through optimized spectral outputs. Sunmaster® provides the largest, most comprehensive supply of HID lamps specifically tailored for the hydroponic and horticultural industries. Simply stated, Sunmaster® lamps deliver intense light output with nutritional spectral values. Designed for optimal performance on electronic ballasts Maximum blue for seedling and vegetative growth Sufficient orange-red for stem elongation and flowering Ideal lamp for display purposes Imitates daylight Balanced spectral output Long life Specifications: PART NUMBER: 80309-NA ANSI CODE: M59/E Bulb Shape: ED37 Base Type: Mogul (E39) PAR WATTS: 110 Life Hours: 15,000 Operating Position: Universal