Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435023 Tubular Plankton Chamber, capacity 25ml Price on request 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 438061 Surcharge for mesh size < 55µ for nets 438 030, 43 Price on request