Spare Net Bucket for Plankton Nets No. 438 001 / 4 Back Catalog number: 438025 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request 435021 Tubular Plankton Chamber, capacity 5ml Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request