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 438060 Surcharge for mesh size < 55µ for nets 438 000, 43 Price on request 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request