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Venture® high output Metal Halide grow bulbs (aka MH lamps) produce light by arcing electricity through a mixture of gases. The white-blue spectrum (4000K) encourages vegetative plant growth and “bushiness” while discouraging upward growth. Designed for horticultural use with magnetic and electronic ballasts.
• Quality lighting at a budget price!
• High output from a compact source
• Saves money — up to 20,000 hour life!
• Lower energy costs — up to 115 lumens per watt!
• Warranty: 1-year
250 Watt – 21,000 initial lumens
400 Watt – 36,000 initial lumens
1000 Watt – 110,000 initial lumens
Product Data Sheet, 1000W (PDF)
Install firmly but not forcibly into the socket to minimize loosening due to vibration. Do not use excessive force as the glass may break. Operating position: Horizontal +/- 45 degrees.