Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435022 Tubular Plankton Chamber, capacity 10ml Price on request 438040 Plankton Net for quantitative collection with cowl Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request