G5 13.1W 4000K 1000lm T5 White Fluorescent Light bulb (L)520mm | DIY at B&Q
F13T5WW – T5 21 Inch Under Counter Fluorescent Bulbs Warm White 3000K 13-Watt F13T5/WW 21” WW Long Life Replacement Tubes for Under Cabinet Lights – Pack of 6 Bulbs - Amazon.com