FLOW INDICATOR, PADDLE WHEEL Back Catalog number: 539 Availability: In the manufacturer's stock Price on request - + Recommended 527 Y CONNECTORS PP 120 °, O 4-5-6mm (Nominal) Price on request 1250 L CONNECTORS PP, O 4mm (Nominal) Price on request ZCN1-10 SS replacement nut for FSRs, 1/16", pk/10 Price on request