Plankton Net for quantitative collection with cowl Back Catalog number: 438020 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435023 Tubular Plankton Chamber, capacity 25ml Price on request 435022 Tubular Plankton Chamber, capacity 10ml Price on request 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request