Mechanical Flow Meter Back Catalog number: 438110 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 438115 Mechanical Flow Meter with back-run stop Price on request 439016 Pressure Sensor max. depth 3.000metres (or to be Price on request 450536 Oxygen Sensor OxyGuard Ocean D.O. Probe Price on request