Set of 10 Spare Dilution Bottles 250ml Back Catalog number: 435098 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435011C Counting Chamber for zooplankton, dimensions 80 x Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request 438001 Surface Plankton Net acc. to Apstein Price on request