Lightwise LWL7W40-F13T5 21" Direct Replacement Led Tube, 7-Watt, White, 4000K, Retrofit 13W T5 Fluorescent Tube of your Uncder-Cabinet Lights 50% Energy Saving, Replace Directly Set of 3 - - Amazon.com
Sunlite 88487-SU | 13W LED Fluorescent | 4000K
Satco 13W 46" 5000K Single or Double-Ended T5 LED Bulb, Ballast Bypass | 13T5/LED/46-850/BP/HE/SE-DE | Bulbs.com
Feit Electric 13-Watt 21 in. T5 G5 Linear Fluorescent Tube Light Bulb, Cool White 4100K (1-Bulb) F13T5/CW/RP - The Home Depot