Counting Chamber for zooplankton, dimensions 80 x Back Catalog number: 435011B Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435100 Folsom's Plankton Sample Divider Price on request 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request 435035 Package of 250 Base Plates, diameter 27.5mm Price on request