Introducing the CGPT-12.7/6.4-4-SP, a high-quality yellow heat shrink tubing designed for durable and efficient wire and cable management in HVAC systems. Made from irradiated modified polyolefin, this tubing offers a reliable 2:1 shrink ratio, ensuring a snug fit around cables for maximum protection. With a shrink temperature of 80 °C and an operating temperature range of -40 to 135 °C, it guarantees performance in a variety of conditions. The .25 inch (6.4 mm) recovered diameter and .5 inch (12.7 mm) expanded diameter make it versatile for different cable sizes. Trust in this heat shrink tubing for excellent abrasion protection and reliability in your HVAC installations.