The RNF-3000-39/13-2-SP is a high-quality heat shrink tubing designed for use in HVAC applications, offering reliable protection and insulation for wires and cables. Made from irradiated modified polyolefin, this tubing has a 3:1 shrink ratio, ensuring a tight and secure fit. With a low shrink temperature of 80 °C, it is easy to install without the need for specialized equipment. Operating efficiently in a wide temperature range from -55 to 135 °C, it is suitable for various environmental conditions. This red tubing has a recovered diameter of .512 inches (13 mm) and an expanded diameter of 39 mm (1.534 inches), providing ample coverage. RoHS compliant and with a part alias of RNF300039132SP, it guarantees quality and performance. Perfect for professionals in the HVAC industry, this heat shrink tubing is a reliable solution for all your cable management needs.