Counting chambers, Fuchs-Rosenthal ruling, 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. Grid has 16 x large 1 mm² squares. Each square is divided into 16 smaller squares each with a side length of 0.25 mm and an area of 0.0625 mm². These counting chambers are commonly used to count cells in cerebrospinal fluid.