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 438015 Spare Net Part for Plankton Nets No. 438 010 and 4 Price on request 435023 Tubular Plankton Chamber, capacity 25ml Price on request 435100 Folsom's Plankton Sample Divider Price on request