Photo 1 of HYAT O2 Oxygen Sensor Bung, Universal 304 Stainless Steel Oxygen Sensor Mounting Bungs and Plugs, M18x1.5 Thread Oxygen Sensor Fittings Weld-in Bung, Suitable for 1.5-2 inch Pipe- 2 Bungs/2 Plugs

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Photo 1 of HYAT O2 Oxygen Sensor Bung, Universal 304 Stainless Steel Oxygen Sensor Mounting Bungs and Plugs, M18x1.5 Thread Oxygen Sensor Fittings Weld-in Bung, Suitable for 1.5-2 inch Pipe- 2 Bungs/2 PlugsPhoto 2 of HYAT O2 Oxygen Sensor Bung, Universal 304 Stainless Steel Oxygen Sensor Mounting Bungs and Plugs, M18x1.5 Thread Oxygen Sensor Fittings Weld-in Bung, Suitable for 1.5-2 inch Pipe- 2 Bungs/2 PlugsPhoto 3 of HYAT O2 Oxygen Sensor Bung, Universal 304 Stainless Steel Oxygen Sensor Mounting Bungs and Plugs, M18x1.5 Thread Oxygen Sensor Fittings Weld-in Bung, Suitable for 1.5-2 inch Pipe- 2 Bungs/2 Plugs