Surcharge for mesh size < 55µ for nets 438 000, 43 Back Catalog number: 438060 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request 435011C Counting Chamber for zooplankton, dimensions 80 x Price on request 438010 Plankton Net for quantitative collections with cow Price on request