SMC KEB10 Residual Pressure Relief Valve with Push Button Guard and Push-to-Connect Fitting, 10 mm Tube OD (Pack of 10): Industrial Air Cylinder Accessories: Amazon.com: Industrial & Scientific
Wholesale stainless steel high pressure relief valve for metal tube furnace pressure relief valve calibrator From m.alibaba.com
TPR Valves and Discharge Piping - InterNACHI®
5140190-22 Tube , Pressure Relief Porter Cable PXCML224VW Air Compress – Tri City Tool Parts, Inc.
CAC-1367 Pressure Relief Tube Kit CAC-1358 – Tri City Tool Parts, Inc.
Pressure release valve - The Leak Team
Everbilt 3/4 in. NPT x 63 in. Polypropylene Side-Mount Runoff Tube EB11955C - The Home Depot