Counting Chamber for zooplankton, volume approx. 9 Back Catalog number: 435010 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438055 Spare Net Bucket, for Plankton Nets No. 438030 / 4 Price on request 438020 Plankton Net for quantitative collection with cowl Price on request 435021 Tubular Plankton Chamber, capacity 5ml Price on request