Amazon.com: LED Bulbs - Circline / LED Bulbs / Light Bulbs: Tools & Home Improvement
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Replace 32W Circular Fluorescent Tubes With 20W LED
Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey