Surface Plankton Net acc. to Apstein Back Catalog number: 438001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438040 Plankton Net for quantitative collection with cowl Price on request 435025 Combined Plate Chamber (Utermöhl-Chamber), set wit Price on request 438055-001 Repair Set for Net Bucket No. 438 055 Price on request