Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438030 Plankton Net for qualitative collection Price on request 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request 435094 Plunger Sampling Pipette acc. to Hensen, capacity Price on request