Plankton Net for quantitative collections with cow Back Catalog number: 438010 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435028 Package of 50 Cover Plates, diameter 33mm Price on request 435011 Counting Chamber for zooplankton, volume approx. 2 Price on request 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request