Surcharge for mesh size < 55µ for nets 438 030, 43 Back Catalog number: 438061 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438010 Plankton Net for quantitative collections with cow Price on request 435023 Tubular Plankton Chamber, capacity 25ml Price on request 435098 Set of 10 Spare Dilution Bottles 250ml Price on request