Folsom's Plankton Sample Divider Back Catalog number: 435100 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438040 Plankton Net for quantitative collection with cowl Price on request 438020 Plankton Net for quantitative collection with cowl Price on request 435012 Counting Chamber for zooplankton,volume approx. 70 Price on request