This is fluorescence epi-illumination system for compound microscopes. The system includes a 100W wide-spectrum mercury lamp, and green and blue filter blocks. Compatible with B390, T390, B600, T600, and T670 compound microscopes. Features & Specifications: A complete EPI-fluorescent kit 100W HBO ultra hi-voltage spherical mercury lamp Blue & green excitation Three-position fluorescent filter slider assembly for blue, green, and brightfield microscopy 220V/110V (Interchangeable) external digital power supply (100W DC) Easy control design for centering arc of the mercury lamp Fluorescent light condenser with moving-control knob Fluorescent light field diaphragm with centering control adjustment Three-setting fluorescence excitation light path control dial: no light, partial light, full light Ultraviolet-blocking eye-shield included Excitation Filters: 490nm (blue), 545nm (green) Dichroic Mirrors: 510nm (blue), 580nm(green) Barrier Filters: 530nm (blue), 590nm (green) Manufactured under ISO 9001 Quality Control Standard Net Weight: 22 lbs Shipping Weight: 30 lbs Contents: One episcopic illuminator with blue and green filters One 100W power supply Two mercury-vapor bulbs Two fuses One UV-blocking eye-shield One power cord Optional Accessories : UV filter system Auxiliary exciting filter: EX450-490