Paul Marienfeld McMaster Counting Chamber Glass Dual Grid, Made in Germany Counting-chamber-MacMaster and most leading brands

and most leading brands

Produced according to CE and EN ISO 13485:2012 Quality Management System

colour composite

The flask features a single circular calibration mark for exact volume definition and is supplied with a secure polystopper

Manufactured from premium borosilicate glass 3

Paul Marienfeld McMaster Counting Chamber Glass Dual Grid, Made in Germany Counting-chamber-MacMaster and most leading brandsAbout the Marienfeld MacMaster Counting Chamber The Marienfeld MacMaster counting chamber is designed for accurate counting of worm eggs and other microscopic samples on solid media. Manufactured in Germany by Paul Marienfeld GmbH, it guarantees high precision, durability, and laboratory reliability. Its cover glass features two counting grids, enabling precise quantification and efficient workflow in research, educational, or clinical settings.