Counting chambers, Improved Neubauer, bright line

Counting chambers, Improved Neubauer, bright line
Bright lined, double net ruling, includes 2 haemocytometer glass covers, with LOT number on the packaging, labelled with: usable until, CE pursuant to IVD 98/79 EC. By altering the contrast it is possible to reverse the image under the microscope to make the rulings appear brighter or darker as required.