5Pcs Plastic Hose Barb Reducer Fitting, 5/16″ to 3/16″ Hose Barb Union Adapter C
5Pcs Plastic Hose Barb Reducer Fitting, 5/16″ to 3/16″ Hose Barb Union Adapter Connector Pipe Hose Fitting. The hose barb reducer fitting is made of durable plastic which is no crack and longer lasting service.