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 438030-001 Spare Net Bag for Plankton Net No. 438 030 Price on request 438010 Plankton Net for quantitative collections with cow Price on request 435028 Package of 50 Cover Plates, diameter 33mm Price on request