Product Name: Fluorescent Tubes Place of Origin: China Specifications: 1) Diameter: a) T12: 40.5mm b) T10: 34mm c) T9: 31mm d) T8: 26mm e) T5: 16mm 2) Voltage: 110-130V / 220-40V 3) Watts: a) T12: 20/30/40W b) T10: 20/30/40W c) T9: 20/30/40W d)T8: 10/15/18/30/36W e) T5: 4/6/8/13W 4) Base: G13 5) Life: 8000hours Inner packing: 1pc/sleeve Outer packing: 25pcs/ctn