Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Firefly Circular Fluorescent Tube
Replace 32W T9 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
22W/32W T5/T9 Circular Fluorescent Tube with Ballast - China Circular Lamp, Circular Tube | Made-in-China.com