>1) Watt: 15W (450mm), 18W (600mm), 30W (900mm), 36W (1200mm)< >2) Color temperature: 2700K, 3000K, 3500K, 4100K, 5000K, 6500K< >3) Lumen efficiency: 15W, 18W more than 53Lm/W; 30W, 36W more than
67Lm/W< >4) Life: 8000hrs< >5) Diameter: 26mm, used with a starter in 220V 50Hz or 110V 60Hz electricity >6) Our main products include: common fluorescent lamp (FL), backlight blue
tubes(BLB), black light fluorescent tubes(BL) and plant-growth tubes< >Packing: >1pc/sleeve,
25pcs/carton