Project 'Green' House #1: LED replacement lighting for circular fluorescent tubes // DavidJB.com // Python, Technology, Web, Linux, and more, by David Beitey
Large (12-16″) Circular Fluorescent Tube | The M.e.t.
Philips Fluorescent T10 12-inch 4-Pin 32W Circline Tube U-Bent Light Bulb, Daylight (6500K... | The Home Depot Canada
Fluorescent Tube - T9 Circular - Daylight - 11 W - 12" from SYLVANIA | BMR
original Firefly circular ceiling lamp fluorescent set (daylight) :32" & 22w available! | Shopee Philippines