FLOW INDICATOR, PADDLE WHEEL Back Catalog number: 539 Availability: In the manufacturer's stock Price on request - + Recommended 535 DISCONNECTOR PE, O 10-11-12mm (Nominal) Price on request 1416 4 WAY CONNECTORS PP, O 15mm (Nominal) Price on request 521 T CONNECTORS PP, O 16mm (Nominal) Price on request