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 438055 Spare Net Bucket, for Plankton Nets No. 438030 / 4 Price on request 438030 Plankton Net for qualitative collection Price on request 435016 Plankton Chamber acc. to Kolkwitz, capacity 1.0ml Price on request