Folsom's Plankton Sample Divider Back Catalog number: 435100 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438020 Plankton Net for quantitative collection with cowl Price on request 438045 Spare Net Part for Plankton Nets No. 438 040 and 4 Price on request 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request