Visibility Disc acc. to Secchi,10m steel rope, mar Back Catalog number: 443594 Availability: In the manufacturer's stock Price on request - + Recommended 438652 Spare Net Part for Stream Bottom Sampler Price on request C9614-1000 1litre scoop Price on request 440065-150 Stainless Stell Rope, 2.5mm diameter, Hydro-Bios N Price on request