Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435100 Folsom's Plankton Sample Divider Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request