TCP L12T8D5035K 12 Watt 48 Inch T8 Linear LED 3500K 1750 Lum
GE LED Linear 32-Watt EQ Cool White Medium Bi-pin (T8) Light Bulb at Lowes.com
Amazon.com: GoodBulb 48 Inch LED Tube | 18-Watt Medium Bi-Pin Base 5000K Daylight White Light | 2800 Lumens T8 LED Hybrid Tube | Plug and Play or Ballast Bypass | Pack of 4