Rod Held Current Meter RHCM 270 Back Catalog number: 445500 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438115 Mechanical Flow Meter with back-run stop Price on request 445515 Rod Held Current Meter RHCM Price on request 443591 Visibility Disc acc. to Secchi, 3m steel rope, ma Price on request