This 1-meter, 4mm copper capillary tubing is designed for air conditioning and refrigeration applications. Its 0.5mm wall thickness ensures durability and optimal cooling system performance. Its flexible design allows for easy installation even in tight spaces, making it a favorite among HVAC professionals. Compatible with a wide range of refrigerants, this tubing improves air conditioning system efficiency. Whether you're performing repairs or installing, this 1-meter length will meet your project needs. Upgrade your cooling system with this copper capillary tubing today!