Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 438030 Plankton Net for qualitative collection Price on request 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request