The #167 3-1/2" IPS x 2" Insulated Metal Insert from PHD Manufacturing is designed for optimal insulation and durability. This product features a robust metal construction that ensures long-lasting performance in various applications. With dimensions of 3-1/2 inches in diameter and 2 inches in length, it is ideal for use in plumbing and HVAC systems. The insert is compliant with industry standards, ensuring reliability and safety in installation. Its insulation properties help maintain temperature control, making it suitable for both hot and cold applications.