Manufactured according to DIN 12 847, including 2 haemacytometer cover glasses. The square area of 100 mm² is subdivided into 40 rectangles with an area of 2.5 mm² each.This chamber is commonly used for counting cells in the cerebro-spinal fluid, or for counting nematodes. BLAUBRAND® quality Outstanding measurement precision 100%  certified quality Manufactured according to DIN 12 847, including 2 haemacytometer cover glasses. The square area of 100 mm² is subdivided into 40 rectangles with an area of 2.5 mm² each.This chamber is commonly used for counting cells in the cerebro-spinal fluid, or for counting nematodes. BLAUBRAND® quality Outstanding measurement precision 100%  certified quality