Enhance your maintenance and repair work with this Air Conditioning Refrigeration Nitrogen Pressure Test Gauge, designed for precision and reliability in a wide range of applications. Versatile Application Perfect for testing pressure in air conditioning systems, refrigerant units, automotive air conditioning, and central air conditioning systems, making it an essential tool for both professionals and DIY enthusiasts. Wide Refrigerant Compatibility Compatible with multiple refrigerants including R134a, R22, R407C, R410A, R404A, R507, R422D, and R32, ensuring you have the flexibility to work with various systems and equipment. Ideal for Refrigeration Equipment Specially designed for use in refrigeration equipment, this gauge helps you monitor and maintain optimal pressure levels, ensuring efficient and safe operation. User-Friendly Design Features a spherical structure valve and a replaceable regular head, making it easy and convenient to use. The intuitive design allows for quick setup and hassle-free operation, saving you time and effort. Premium Quality Made from 100% brand new, high-quality materials, this pressure test gauge is built to last and deliver accurate readings every time, providing you with reliable performance you can trust. Upgrade your toolkit with this professional-grade pressure test gauge and ensure your air conditioning and refrigeration systems are always running at their best.