Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request 435011C Counting Chamber for zooplankton, dimensions 80 x Price on request 438050 Plankton Net for quantitative collection with cowl Price on request