28w Led Tube Light Bulb 4ft, 3360 Lumens, Cold White 6000K, Ballast Bypass Required, Bypass T8
8Pack of 4Ft T5 28W LED Tube w 5000K White 5000 Lumen,2 PPF/W to Replace & retrofit 54W Fluorescent T5HO Lamps Directly Work w Previous Ballast. - Amazon.com