Plankton Net for quantitative collection with cowl Back Catalog number: 438020 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 438045 Spare Net Part for Plankton Nets No. 438 040 and 4 Price on request 435011B Counting Chamber for zooplankton, dimensions 80 x Price on request