Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request 438025-001 Repair Kit for Net Bucket No. 438 025, Price on request 438045 Spare Net Part for Plankton Nets No. 438 040 and 4 Price on request