Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request 435090 Plunger Sampling Pipette acc. to Hensen, capacity Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request