Mechanical Flow Meter with back-run stop Back Catalog number: 438115 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 439016 Pressure Sensor max. depth 3.000metres (or to be Price on request 443590 Visibility Disc acc. to Secchi, 3m steel rope, ma Price on request 439013 Conductivity Sensor type SST, max. depth 6.000met Price on request