AmScope BH-6V30W 6V 30W Halogen Microscope Bulb
This is a 6V 30W halogen bulb for the 30W microscopes with model numbers, B400A, B400B, B490A, B490B, T400A, T400B, T490A and T490B. We combine shipping for multi-unit purchase to save your shipping cost. Features & Specifications: Watt: 30W Voltage: 6V Type: halogen