T5 FLUORESCENT FIXTURES are great for house plants, seedling starts, flowers or anything you want to grow indoors. High lumen output - each bulbs has 5000 lumens! Very low heat which means these systems compete with HID lighting because you can get them so close to your plants. Lightweight. Low profile - only 2 3/8" tall. Fixture includes: Side-mounted ballast for cool running operation, 10' grounded power cord, hanging cable system, and T5 Fluorescent bulbs: Rated 20,000 hour life. Daylight 6400k come with the system & Warm 3000k spectrums are available for purchase.Hydrofarm’s new Designer T5 System delivers performance, flexibility and high lumen output in any growing environment. These daisy-chainable systems allow you to choose multiple hanging configurations to meet your garden’s design. They combine German specular aluminum with energy-efficient/high-output T5 bulbs and put out double the light energy of normal fluorescent systems.