Set of 10 Spare Dilution Bottles 250ml Back Catalog number: 435098 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request 435011 Counting Chamber for zooplankton, volume approx. 2 Price on request 435100 Folsom's Plankton Sample Divider Price on request