Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Crompton CIR22SPCW G10q 22W T9 Circular Cool White Light Bulb – The Lamp Company
Feit Electric 15-Watt 8 in. T9 G10q Type A Plug and Play Linear Circline LED Tube Light Bulb, Selectable White (4-Pack) FC8/3CCT/LED/4 - The Home Depot
BELL 60watt Colour 840 Cool White T9 Circular Tubes
Xiangyin Circular Light Bulb Tube, 4.8 Inch LED Ceiling Light Fixtures Replacement Light Bulb Replace Incandescent Fluorescent Bulb Round Tube,11W T4 White Light,4-Pin Base : Amazon.co.uk: Lighting
Philips Corepro LED 20W G10q Circular 865 (80CRI) | The LED Specialist
Eveready 32W T9 Circular Bulb | Taskers Online Store, Liverpool & Manchester
Pomurom Round Lamp Tube, 4.8 Inch 11W 4 Pin T4 Warm White Circular Fluorescent Bulb Replacement Tube for Magnifier Lamp, Circular Light Bulb Replacement for Ceiling Lights : Amazon.co.uk: Lighting
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Crompton 60watt Colour 840 Cool White T9 Circular Tubes