Zeiss Axiovert 25 CFL Inverted Fluorescent Microscope Slider
For 25mm filters or to block the light off
Comes with two retaining o-rings (inside each 25mm opening)
Dimensions: 13.8mm H x 34.8 W x 156 L
One side is metal and the other side is the plastic frame
Make sure to place metal side towards hot light not the plastic side or it will melt!!!