Plankton Net for quantitative collection with cowl Back Catalog number: 438020 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438061 Surcharge for mesh size < 55µ for nets 438 030, 43 Price on request 435011A Counting Chamber for zooplankton, dimensions 80 x Price on request 435010 Counting Chamber for zooplankton, volume approx. 9 Price on request