Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438055-001 Repair Set for Net Bucket No. 438 055 Price on request 435092 Plunger Sampling Pipette acc. to Hensen, capacity Price on request 438030 Plankton Net for qualitative collection Price on request