Hand Net acc. to Böttger, mesh size 500microns Back Catalog number: 438310 Availability: In the manufacturer's stock Price on request - + Recommended A144-160 Tongs. 160mm long Price on request 438412 Spare Net Part for High Speed Plankton Collector N Price on request 443594 Visibility Disc acc. to Secchi,10m steel rope, mar Price on request