˙Made of special optical glass, used for particles or plankton in transparent liquid
˙A calculation area of 50x20x1mm, exactly one cubic centimeter
˙The calculation area is scored every 1mm, and a total of 1000 grids are cut, 1ul per grid
AP-0611300 Calculating plate made of glass
AP-0611400 Calculator made of plastic
AP-0336000 Plankton calculation disk cover glass 60x30mm