Spare Net Bucket, for Plankton Nets No. 438030 / 4 Back Catalog number: 438055 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 438025-001 Repair Kit for Net Bucket No. 438 025, Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request