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 435012 Counting Chamber for zooplankton,volume approx. 70 Price on request 438050 Plankton Net for quantitative collection with cowl Price on request