Package of 50 Cover Plates, diameter 33mm Back Catalog number: 435028 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request 438055-001 Repair Set for Net Bucket No. 438 055 Price on request 438060 Surcharge for mesh size < 55µ for nets 438 000, 43 Price on request