Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438040 Plankton Net for quantitative collection with cowl Price on request 438030 Plankton Net for qualitative collection Price on request 435093 Plunger Sampling Pipette acc. to Hensen, capacity Price on request