Plankton Net for quantitative collection with cowl Back Catalog number: 438020 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request 435035 Package of 250 Base Plates, diameter 27.5mm Price on request 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request