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 435022 Tubular Plankton Chamber, capacity 10ml Price on request 438010 Plankton Net for quantitative collections with cow Price on request 435023 Tubular Plankton Chamber, capacity 25ml Price on request