Product Description: High-Quality Air Quick Coupler Set for Refrigerant Systems Distinctive Color Coding: This quick coupler set features a red coupler for the high-pressure side and a blue coupler for the low-pressure side, allowing for easy and intuitive identification. The colored knobs make it simple to distinguish between connections, reducing the risk of errors during installation and maintenance. Complete High & Low Couplers Kit: Designed for efficiency, this kit includes both high and low-pressure couplers. The comprehensive set ensures you have the right tools for accessing and servicing refrigerant systems, enhancing your workflow and productivity. Safe and Reliable Access: Engineered for reliability, these couplers provide safe access to valves even while systems are under working pressure. This feature allows for secure and efficient maintenance without compromising system integrity or safety. Premium Copper Construction: Crafted from high-quality copper, these couplers are solid, durable, and resistant to corrosion. The robust construction ensures a long service life, making them a dependable choice for both professional and DIY applications. Exquisite Workmanship: With meticulous craftsmanship, these quick couplers offer stable performance and high reliability. Their precision engineering ensures smooth operation and a secure fit, making them an essential tool for any HVAC technician or enthusiast. Upgrade your refrigeration maintenance toolkit with this Air Quick Coupler Set, designed for both reliability and ease of use. Perfect for professionals and hobbyists alike, these couplers provide the durability and performance needed for effective system servicing.