Hand Net acc. to Böttger, mesh size 500microns Back Catalog number: 438310 Availability: In the manufacturer's stock Price on request - + Recommended 438702-021 Net bag - protective net 300µ for Ring Trawl Net Price on request A134-550 Pro Whisk. 550mm long. Stainless Steel. Discontinu Price on request 438213 Net Part for Microplastic nets, Hydro-Bios No. 438 Price on request