Borosilicate glass graduated cylinder, includes plastic guard and plastic detachable hexagonal base. With spout and protection collar. As per DIN EN ISO 4788 standard, Sub Div.: 0.5 ml, Tolerance: +/-0.50 ml, Capacity 25ml with 0.5ml graduations.
Fluval Bio Clear, Clears organic debrits, Controls new tank syndrome, Safe for all aquarium inhabitants, To prevent cloudy aquarium water and reduce maintenance, use Fluval Biological Cleaner regularly, For freshwate