Set of 10 Spare Dilution Bottles 250ml Back Catalog number: 435098 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request