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 435091 Plunger Sampling Pipette acc. to Hensen, capacity Price on request 435012 Counting Chamber for zooplankton,volume approx. 70 Price on request 438020 Plankton Net for quantitative collection with cowl Price on request