BThermwell Products P11X Foam Insulation, 3-Feet ReviewbP PP Thermwell Products P11X Foam Insulation, 3-Feet P3-Feet Black Tubular Polyethylene Foam Pipe InsulationPHelps To Prevent Pipes From Freezing Or SweatingPComes Pre-slit, With Heavy-duty 38-Inch Wall ThicknessPFor Use On 34-Inch Copper Pipe, Or 12-Inch Iron PipePComes With 4 To A PackP