Surcharge for mesh size < 55µ for nets 438 030, 43 Back Catalog number: 438061 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438001 Surface Plankton Net acc. to Apstein Price on request 438020 Plankton Net for quantitative collection with cowl Price on request 438040 Plankton Net for quantitative collection with cowl Price on request