Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438061 Surcharge for mesh size < 55µ for nets 438 030, 43 Price on request 435021 Tubular Plankton Chamber, capacity 5ml Price on request 438020 Plankton Net for quantitative collection with cowl Price on request