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 435092 Plunger Sampling Pipette acc. to Hensen, capacity Price on request 438040 Plankton Net for quantitative collection with cowl Price on request 435100 Folsom's Plankton Sample Divider Price on request