Bulb, 5 watt, 110-120 volt fluorescent

This U-style flluorescent bulb is rated for 5 watts at 110-120 volts.

It is the correct replacement bulb for the following current microscope models:

• Home Microscope
• Home Iris Diaphragm Microscope
• Home 1000X Microscope

It is also the correct replacement bulb for the following microscope models no longer sold:

• Home Fluorescent Microscope
• Home Binocular Microscope
• National Optical models 138 and 139
• National Optical model 460TBL-15 bottom light

Note: If you're unsure which replacement bulb to buy, take out your current microscope bulb and match it to the photos on our website.