Counting Chamber for zooplankton, dimensions 80 x Back Catalog number: 435011A Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435098 Set of 10 Spare Dilution Bottles 250ml Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request 438015 Spare Net Part for Plankton Nets No. 438 010 and 4 Price on request