Hitech Instruments, Inc. > HT-B8118O 6V 20W Olympus Microscope Bulb
12 Volt / 20 Watt Halogen Bulb — LW Scientific
G4 LED Bulbs 12V 20W Halogen Bulb Replacement, HengBo G4 Bi Pin Base JC Type T3 Light Bulb Warm White 3000K for Under Cabinets Home Lights, Non-Dimmable, (Pack of 10) - -