7800K Ring Tube for 8W Microscope Fluorescent Light | eBay
Philips 22-Watt 8 in. Linear T9 Circline Fluorescent Tube Light Bulb Bright White (3000K) 392225 - The Home Depot
7800K Tube for Fluorescent Ring Light – Omax
BDCJ 22W 32W 40W 55W Circular LED Tube T6 Round Tube Light Circle Ring lamp _White Light (White Light, 22w) - - Amazon.com
Feit Electric Color select 32-Watt EQ 12-in Cool White G24q-2 Pin Base Circline Type A LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com
Replacement 8'' Ring Light (Ring Only)
Sylvania 22-Watt 8 in. Circline Tube T9 Fluorescent Light Bulb Cool White 23519 - The Home Depot
Philips Lighting 391169 C-T9 Circline Fluorescent Lamp 20.5 Watt G10q Base 1050 Lumens 62 CRI 4100K 8 Inch Length Cool White Alto Plus - Walmart.com
Fluorescent Ring Light Bulb 10W, 110V - Light Bulbs - Parts & Accessories - Microscopy
AmScope 12W Fluorescent Ring Light Bulb - Walmart.com
Philips 22-Watt 8 in. Linear T9 Fluorescent Tube Light Bulb Daylight Deluxe (6500K) Circline 392357 - The Home Depot
Source Led round ring tube decoration bulb smart led light european led ring tube on m.alibaba.com
67mm Fluorescent Ring Lamp Reserve Tube Light Bulb for Microscope Light | eBay