Mechanical Flow Meter with back-run stop Back Catalog number: 438115 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 439015 Analog Channel incl. calibration for AMT oxygen an Price on request 445515 Rod Held Current Meter RHCM Price on request 443590 Visibility Disc acc. to Secchi, 3m steel rope, ma Price on request