Pneumatic Test-Ball Winter Plug for 12 Inch Pipe - 10.25 to 12.25 Inch Usage Range width_20 Feet This o-ring also fits: Anthony

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Pneumatic Test-Ball Winter Plug for 12 Inch Pipe - 10.25 to 12.25 Inch Usage Range width_20 Feet This o-ring also fits: AnthonyThis 12 inch Cherne pneumatic test ball winter plug is designed for a variety of applications including winterizing pools by blocking pipe systems. They can also be used for pressure testing and maintenance and installation of municipal infrastructures including storm and sanitary piping systems. Made from natural rubber, these plugs are tough, tear resistant and will work on any type of pipe including out of round pipe. These test ball plugs have