Plankton Net for quantitative collection with cowl Back Catalog number: 438020 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435012 Counting Chamber for zooplankton,volume approx. 70 Price on request 435100 Folsom's Plankton Sample Divider Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request