Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435094 Plunger Sampling Pipette acc. to Hensen, capacity Price on request 438001 Surface Plankton Net acc. to Apstein Price on request 438050 Plankton Net for quantitative collection with cowl Price on request