- Auto Air Conditioning Gauge Tool for R12, R22, R404 Maintenance: Essential for accurate diagnostics and servicing of automotive air conditioning systems. - Complete Diagnostic Gauge Cluster: Features three color-coded hoses (red, yellow, blue) for precise pressure measurements and easy bottle connections. The extra-large display allows for quick reading of temperature in Celsius, ensuring you have all the necessary data at a glance. - Durable and Protective Design: Constructed from high-quality brass, aluminum, PVC, and plastic, this gauge is built to last. It includes a rubber cover for added support and protection, while a rear hook secures the gauge in place during use. - Reliable Sealing and Reduced Wear: Equipped with a membrane valve featuring a rotatable seal, this tool ensures a dependable seal to minimize leakage and wear. It's designed to meet the rigorous demands of automotive technicians. - Practical Applications: - Ideal for diagnosing and servicing air conditioning systems in cars and trucks, ensuring optimal performance. - Useful for HVAC professionals working with various refrigerants, making it a versatile addition to your toolkit. - Perfect for DIY enthusiasts and hobbyists looking to maintain their vehicle's climate control systems efficiently. This air conditioning gauge tool is a reliable choice for anyone needing precise measurements and durability in their maintenance tasks.