Additional cost for Net Part of Ring Trawl Net wit Back Catalog number: 438703-020 Availability: In the manufacturer's stock Price on request - + Recommended 4010B-01 Tablet Sampler - GMP with movable bottom plate Price on request 438310 Hand Net acc. to Böttger, mesh size 500microns Price on request 438213 Net Part for Microplastic nets, Hydro-Bios No. 438 Price on request