Tubular Microscope Bulb 800-400

Replacement tubular 12v, 10 watt bulb (for 110v and 220v versions). For use in the following National Optical models:

• 400 Series
• 400TL Series
• 400TBL Series
• 405TBL Series
• 446TBL Series
• 447TBL Series
• 448TBL Series

NOTE: This item is not returnable.