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 435023 Tubular Plankton Chamber, capacity 25ml Price on request 438050 Plankton Net for quantitative collection with cowl Price on request 435098 Set of 10 Spare Dilution Bottles 250ml Price on request