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 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request