Surcharge for mesh size < 55µ for nets 438 000, 43 Back Catalog number: 438060 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435022 Tubular Plankton Chamber, capacity 10ml Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 438001 Surface Plankton Net acc. to Apstein Price on request