Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435011A Counting Chamber for zooplankton, dimensions 80 x Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 438055 Spare Net Bucket, for Plankton Nets No. 438030 / 4 Price on request