Tubular Plankton Chamber, capacity 25ml Back Catalog number: 435023 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 438001 Surface Plankton Net acc. to Apstein Price on request 438015 Spare Net Part for Plankton Nets No. 438 010 and 4 Price on request