LED T5 F13T5 Replacement Bypass Light Bulb - 3000K 866-637-1530
GE 10089 F13T5/WW 13W 3000K Warm White Miniature BiPin G5 Base - 24 Pieces - - Amazon.com
Feit Electric F13T5/WW/RP 21 in. Bright White G5 Base (T5 Replacement) Fluorescent Linear Light Tube | BuyRite Electric
Philips 13-Watt 21 in. Linear T5 Fluorescent Tube Light Bulb Bright White ( 3000K) 546481 - The Home Depot
Unique Bulbs (Pack of 2) F13T5/WW 13-Watt T5 Fluorescent Warm White 3000K Light Bulb 20,000-Hour - - Amazon.com
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