... T5 Triphosphor Fluorescent Tube Watt: 4W,6W,8W,13W(small watt) 16W,21W,28W,35W(HE) 24W,39W,49W,54W,80W(HO) T5 ... which increases efficiency of light and reduce light discrepancy,4. Using 16mm lead-free glass tube, with high light transmission rate, more ... . Basic commercial lighting;B. Generally matching in downlight, celling light, household lighting etc;C. Shopping, lighting, specialty lighting, ...