Counting Chamber for zooplankton, volume approx. 9 Back Catalog number: 435010 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438061 Surcharge for mesh size < 55µ for nets 438 030, 43 Price on request 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request