Thermwell 3 Ft. Black Pre-Slit Polyethylene Foam Tubular Pipe Insulation for 1 or 3/4 In. Pipes (4-Pack)

Thermwell Products, 4 pack, 3 ft. Black tubular polyethylene foam pipe insulation. Non Self-Sealing, Pre-Slit, 1/2 in. wall thickness, for use on 1 in. copper pipe nominal size or 3/4 in. iron pipe.