Spare Net Bag for Plankton Nets No. 438 001 Back Catalog number: 438001-001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request 435011 Counting Chamber for zooplankton, volume approx. 2 Price on request 438045 Spare Net Part for Plankton Nets No. 438 040 and 4 Price on request