Ltpgtthe corepro ledtube is an affordable led solution suitable for replacing t8 fluorescent lamps the product provides a natural lighting effect for use in general lighting applications as well as instant energy savings ampndash an environmentally friendly solutionltpgtltulgtltligt20w 6500k with 30 000 hour average lamp lifeltligtltligtline frequency 5060 hzltligtltligtdimensions overall length 15142 mm x diameter 2568 mmltligtltulgt