Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request 438060 Surcharge for mesh size < 55µ for nets 438 000, 43 Price on request 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request