Beat the heat with the Sun Blaze Supreme 21 (960345) T5 fluorescent grow light fixture. This economical 6 x 25 inch light source produces up to 2,000 lumens by utilizing a high output lamp and a patented European aluminum reflector. Unlike an HID light, the Supreme 21 produces virtually no heat, eliminating the need for costly and space-hogging ventilation systems. A programmed start, 120 volt electronic ballast is built in. The fixture is perfect for the starting or professional grower and can be daisy-chained to matching fixtures for nearly unlimited expansion. Use the supplied mounting hardware to hang the light in any indoor location. (1) Spectralux Blue 6500K F24T5/HO lamp comes pre-installed to get you up and growing fast!