Spare Net Bag for Plankton Nets No. 438 001 Back Catalog number: 438001-001 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 435028 Package of 50 Cover Plates, diameter 33mm Price on request 438040 Plankton Net for quantitative collection with cowl Price on request 438001 Surface Plankton Net acc. to Apstein Price on request