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AmScope 8W Fluorescent Ring Light Bulb$18.99
This is a 8W fluorescent ring bulb. It comes with 68mm inner diameter and 93mm outer diameter. It fits the 8W microscope fluorescent ring lights with Model FRL8.
Power: 8 W. Voltage: 110V/220V. Type: fluorescent ring bulb.
Inner Diameter: 2-5/8" (68mm). Outer diameter: 3-5/8" (93mm). Manufactured under ISO 9001 Quality Control Standards.