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 435035 Package of 250 Base Plates, diameter 27.5mm Price on request 435021 Tubular Plankton Chamber, capacity 5ml Price on request