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The Porter Pipe 670571-20080 is a 4 inch 150# NBG set designed for various piping systems. This set includes essential components for HVAC applications. The package features eight five-eighths by three inch hex bolts with nuts, which are made from A307 steel, along with a non-asbestos L443 ring gasket.
This NBG set is suitable for sealing connections in both commercial and residential piping systems, ensuring reliable performance under varied conditions.
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