Tubular Plankton Chamber, capacity 25ml Back Catalog number: 435023 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435100 Folsom's Plankton Sample Divider Price on request 438025 Spare Net Bucket for Plankton Nets No. 438 001 / 4 Price on request 435012 Counting Chamber for zooplankton,volume approx. 70 Price on request