LEDVAS 25-Pack 6000K 28w 4FT T8 T10 Two Rows LED chips LED Tube Lamps 80w Fluorescent Replacement 48" 1200mm SMD Energy Saving Light Fixture Daylight (28 Watts) Packing:25pcs 4ft 28W 6000K super bright white T8 T12 led tubes Two Rows and 288pcs Cree Led Chips Low heat and long lifespan, No flashing Transparent Cover ATTENTION: When you Install the Tubes , please Take off the Ballast from the frame !!!!!