Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438030 Plankton Net for qualitative collection Price on request 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request 438020 Plankton Net for quantitative collection with cowl Price on request