Introducing the RNF-100-4-BK-SP, a high-performance heat shrink tubing designed for HVAC applications. Made from durable polyolefins, this tubing provides reliable protection and insulation for cables and wires in heating and cooling systems. With a 4:1 shrink ratio, it ensures a tight and secure fit, even over irregularly shaped components. The black color blends seamlessly with wiring, offering a professional finish. Engineered for easy installation, this tubing is a must-have for HVAC professionals. Stay ahead of the curve with the RNF-100-4-BK-SP.