- Strong Compatibility: This 3-way AC meter is specifically designed for refrigerants R134A, R12, R22, and R502, making it ideal for a wide range of automotive refrigerant filling and evacuation tasks. - Durable Construction: Crafted from robust materials including solid brass, aluminum, PVC, and plastic, this heavy-duty AC gauge set ensures long-lasting stability and reliable performance. It's built to withstand the rigors of regular use. - Versatile Applications: Perfect for HVAC systems in vehicles, residential air conditioning units, and refrigerator maintenance, this AC distribution meter set provides essential tools for various HVAC tasks, enabling you to tackle projects with confidence. - Comprehensive Kit: The air conditioning manometer package includes a 3-way AC pressure gauge, three hoses, two adjustable quick connections, a valve core wrench, a bottle opener, a hook, a replacement repair kit, and an instruction manual. Everything you need is included for efficient operation. Use Cases: 1. Auto Mechanics: Efficiently service automotive AC systems, ensuring optimal refrigerant levels for vehicle performance. 2. Homeowners: Maintain and troubleshoot household air conditioning systems, providing comfort during hot weather. 3. Appliance Technicians: Diagnose and repair refrigerators, ensuring they operate effectively and efficiently. This product combines functionality, compatibility, and performance, making it an essential tool for professionals and DIY enthusiasts alike.