22W 32W 40W 55W Circular LED Tube T5 Round Tube Light Circle Ring lamp (White Light, 32W) - - Amazon.com
Feit Electric Color select 32-Watt EQ 12-in Cool White G24q-2 Pin Base Circline Type A LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com
FC8T9 Circline LED Bulbs for Thin-Lite fixtures and Irwin yachts