Bluex Bulbs BlueX LED 60-Watt EQ 4-in Cool White Miniature Bi-pin (t5) Circline Type A or Type B LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com
T5.5-24V-50MA - T1 1/2 Bulbs
T5 LED Grow Lights | Seed Starting, Full Spectrum 6400K, 4FT LED Bulbs | HTG Supply
F8T5/CW - 12 in. LED T5 Tube - Satco S11905 4W/LED/T5/840/BP - Ballast Bypass | CityLightsUSA.com