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 435098 Set of 10 Spare Dilution Bottles 250ml Price on request 435011C Counting Chamber for zooplankton, dimensions 80 x Price on request 438050 Plankton Net for quantitative collection with cowl Price on request