Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438010 Plankton Net for quantitative collections with cow Price on request 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request 435093 Plunger Sampling Pipette acc. to Hensen, capacity Price on request