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Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
File:Circular fluorescent light.jpg - Wikipedia
Circular Lamp Set with Electronic Ballast - Firefly Electric and Lighting Corporation
GE Lighting Circular Fluorescent - Fluorescent | Mitre 10™
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Lighting Supply Blog: A Little Light Reading - LIGHTING SUPPLY
Circular Fluorescent Tube Extra Bright 40W (PP40EXD) - PowerPacSG
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T5 Circular Fluorescent Tubes G10q Base 32W 4000K/6000K ø250 Lusion - - The Lighting Outlet NZ
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File:How to wire circular fluorescent lamp.JPG - Wikimedia Commons
T9 Circular Fluorescent Tubes G10q Base 40W 4000K/6000K ø400 Lusion - - The Lighting Outlet NZ
22W/32W T5/T9 Circular Fluorescent Tube with Ballast - China Circular Lamp, Circular Tube | Made-in-China.com
T5 CIRCULAR 22W 2GX13(4000)TUBE - Lightingplus
Circular Fluorescent lamp 32W 5K | Superlux
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