ELB LED T5 direct replacement lamp, requiring NO Re-WIRING of the light fixture, providing excellent energy savings when replacing T5(28W) fluorescent lamps operated on T5 fluorescent electronic ballasts.Installation is easy...just remove existing fluorescent lamps and install the LED linear lamp. If the existing ballast fails just replace the ballast with similar T5 fluorescent electronic ballast. Energy Savings over existing fluorescent T5 electronic ballasted fixture applications. For additional energy savings of 20 to 30% use with low ballast factor ballast or lighting control system. Installation is easy and saves money.Just change the existing lamps without the need to rewire the light fixture. BENEFITSExpanded light distribution angle of 280 degreesExcellent for low temperature applicationsUse with occupancy sensors with frequent startingInstant ON operationDimmable with optional ELB LED driverNo flickeringNo glass or mercury for safer work environmentsLess lumen depreciation compared to fluorescent systemsMeets UL standard 1598c and UL standard 1993Long life product (>50,000 hours)5 Year manufacturer's warrantySEE PRODUCT DETAILS