Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
![Sylvania 40W T9 circline plus circular lamp tube G10q cool white 4000K 3200lm 400mm diameter : Amazon.co.uk: Lighting Sylvania 40W T9 circline plus circular lamp tube G10q cool white 4000K 3200lm 400mm diameter : Amazon.co.uk: Lighting](https://m.media-amazon.com/images/I/61IfLEg1fZL._AC_SS450_.jpg)
Sylvania 40W T9 circline plus circular lamp tube G10q cool white 4000K 3200lm 400mm diameter : Amazon.co.uk: Lighting
![T9 LED Circline Light Bulb, 12 Inch 2700LM LED Circular Ceiling Light, 22W Clear 4000K Soft White Replacement for 32W Circular Fluorescent Light Bulb(FC12T9), Ballast Bypass Required : Amazon.co.uk: Lighting T9 LED Circline Light Bulb, 12 Inch 2700LM LED Circular Ceiling Light, 22W Clear 4000K Soft White Replacement for 32W Circular Fluorescent Light Bulb(FC12T9), Ballast Bypass Required : Amazon.co.uk: Lighting](https://m.media-amazon.com/images/I/51HFhekDBCL._AC_SX342_.jpg)
T9 LED Circline Light Bulb, 12 Inch 2700LM LED Circular Ceiling Light, 22W Clear 4000K Soft White Replacement for 32W Circular Fluorescent Light Bulb(FC12T9), Ballast Bypass Required : Amazon.co.uk: Lighting
![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 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](https://m.media-amazon.com/images/I/51h4MmDMxwL._AC_SX425_.jpg)