Tubular Plankton Chamber, capacity 5ml Back Catalog number: 435021 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438015 Spare Net Part for Plankton Nets No. 438 010 and 4 Price on request 438055 Spare Net Bucket, for Plankton Nets No. 438030 / 4 Price on request 438001 Surface Plankton Net acc. to Apstein Price on request