Counting Chamber for zooplankton, dimensions 80 x Back Catalog number: 435011B Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438001 Surface Plankton Net acc. to Apstein Price on request 435011C Counting Chamber for zooplankton, dimensions 80 x Price on request 438020 Plankton Net for quantitative collection with cowl Price on request