Visibility Disc acc. to Secchi, 3m steel rope, ma Back Catalog number: 443590 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 443591 Visibility Disc acc. to Secchi, 3m steel rope, ma Price on request 439013 Conductivity Sensor type SST, max. depth 6.000met Price on request 438115 Mechanical Flow Meter with back-run stop Price on request