FLOW INDICATOR, PADDLE WHEEL Back Catalog number: 539 Availability: In the manufacturer's stock Price on request - + Recommended 537 DISCONNECTOR PE, O 14-15-16mm (Nominal) Price on request E652-04 E652-04 2-Way Stopcock, d=6mm Price on request P-309 Plug - Delrin, 1/4-28 Flat-Bottom Price on request