Caplugs’ Plug Series Reseals after Nitrogen Charging

The plug is engineered to reseal itself after any nitrogen charging that may occur during shipping.

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Caplugs’ RSP-SH Series plugs are designed for use during shipping and pressure testing of copper tubing and HVAC compressors. Molded from durable styrene butadiene rubber, the plug is engineered to reseal itself after any nitrogen charging that may occur during shipping. The plugs are available in several sizes to accommodate common copper tubing sizes, ranging from ¼" to ⅞".