Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435035 Package of 250 Base Plates, diameter 27.5mm Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 435094 Plunger Sampling Pipette acc. to Hensen, capacity Price on request