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 435015 Plankton Chamber acc. to Kolkwitz, capacity 0.5ml Price on request 438020 Plankton Net for quantitative collection with cowl Price on request 438001-001 Spare Net Bag for Plankton Nets No. 438 001 Price on request