The 3-1/2 ID 1/2 Wall D Seal Insulation (36FT) from Jones Stephens Corp is designed for effective thermal insulation in plumbing applications. This insulation features a durable construction that provides excellent resistance to heat loss and condensation. Its 3-1/2 inch inner diameter allows for easy application over pipes, while the 1/2 wall thickness ensures optimal insulation performance. This product is ideal for both residential and commercial plumbing systems, helping to maintain energy efficiency and prevent pipe damage. With a total length of 36 feet, it offers ample coverage for various installations.