Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Crompton Fluorescent T9 32W 4-Pin 3000K FC32W/830 | Lightbulbs Direct
Circular Fluorescent Tubes | T12 fluorescent tube
22 watt Warm White T9 Circular Fluorescent Tube
Circular Fluorescent Light Bulb 10 W - LAMP12/10
T9 LED Circular Tubes| Any-lamp
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey