Caprock FC22T5/865 22W 22 Watt 7.25 inch Diameter Circular Fluorescent lamp/Bulb for Magnifying Lamps - Amazon.com
GE Current FC8T9/CW Linear Circline Fluorescent Lamp, 22 W, Fluorescent Lamp, 1.12 in OAD, T9 Shape, 1100 Lumens Initial/825 Lumens Mean | State Electric
T5 22W Circular Bulb 6400K Daylight T5 Type 7.25'' Circle Fluorescent Lamp...... | eBay
T9 Ring Lamp Fluorescent Tube Circular 22W 32W 40W Primary Colors Energy Saving | eBay