Spectralux High Output T5 Fluorescent Grow Tubes produce a high lumen output, and are available in a Daylight or Cool (6500K) color spectrum and a Warm (3000K) color spectrum. These lamps, formulated specifically for plant growth, are very energy efficient and reliable. Spectralux HO T5 Fluorescent Grow Tubes are excellent for starting seedlings, propagating clones, or for the entire growth cycle of your garden.
Available in a 2-Foot (22-inch) size that produces 2,000 initial lumens using 24 watts of electricity or a 4-Foot (45-inch) size that produces 5,000 initial lumens using 54 watts of electricity. Average life expectancy of 20,000 hours.