FLOW INDICATOR Back Catalog number: 538 Availability: In the manufacturer's stock Price on request - + Recommended 70464 Y CONNECTOR PP, 4mm (Nominal) - (10 pcs) Price on request FS1R.4-5 FS adaptor 1/16", for .4mm OD, Polyimide,, pk/5 Price on request 70527 Y CONNECTORS PP 120 °, O 4-5-6mm (Nominal) - (10 Price on request