Lumatek 600w Bulb Lumatek's high-par output lamps are designed by the world's leading HID lamp engineers. These lamps provide exceptional performance on both magnetic and electronic ballasts. 100% European engineered and manufactured Lumatek's high-par output lamps deliver an optimized spectrum and high level of Photosynthetic Active Radiation to promote healthy plant growth. These lamps have strengthened seals and a reinforced arc frame to ensure that they will provide long lasting performance with stable lumen output. You will boost your plants’ yields due to the lamp’s unique gas blend with an optimized spectrum to promote photosynthesis. Enhanced blue spectrum technology means a Dual Spectrum grow lamp that can be used throughout the entire grow and flower/fruiting cycles. For best results, the manufacturers recommend that you pair your Lumatek grow lamp with a Lumatek digital ballast.