Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438020 Plankton Net for quantitative collection with cowl Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 438045 Spare Net Part for Plankton Nets No. 438 040 and 4 Price on request