High Lumen, Low Profile The multifaceted T5 Refletor System puts out more than double the light energy of normal fluorescent lighting systems. T5's stay cool to the touch so they can be used in low clearance rack systems. 4-tube system - up to 20,000 total lumens 6-tube - up to 30,000 total lumens Extremely energy efficient Hangs easily, 4-tube weighs under 10 lbs. Low profile - only 3" high 10,000 hour bulb life Rapid start, no noise T5-e System Specifications   4 tube 6 tube Amperage: 1.8 amps 2.7 amps Lumen Output: up to 20,000 up to 30,000 Size: 49 1/4" x 13" x 3" 49 1/4" x 17" x 3" Weight: 8 lbs. 11 lbs.       Applications Germination Chamber; Under-Bench Lighting; Tissue Culture; Growing Racks