FLOW INDICATOR, PADDLE WHEEL Back Catalog number: 539 Availability: In the manufacturer's stock Price on request - + Recommended 510 STRAIGHT CONNECTOR PP, O 4-5-6mm (Nominal) Price on request 529 Y CONNECTORS PP 120 °, O 8-9-10mm (Nominal) Price on request 434 DISCONNECTOR PE, O 4-5-6mm (Nominal) Price on request