AC Gauges, HVAC Manifold Gauge Set for R134 R22 R12 R502, with Hoses Couplers. Accurate Pressure Measurements: HVAC manifold gauge provides precise pressure readings, allowing you to accurately diagnose and troubleshoot HVAC systems. It helps you identify issues quickly and make informed decisions for efficient repairs. Versatile Compatibility: Work with a wide range of HVAC systems: R134a, R12, R22, R32, R502 refrigerants; ideal for both DIY and professional HVAC maintenance. Easy-to-Read Display: The gauge features a clear and easy-to-read display, providing you with instant pressure information at a glance.This allows for efficient monitoring and adjustment of system performance. Durable and Reliable: Built to withstand the demands of professional use, our manifold gauge is constructed from high-quality materials for durability and longevity. It is designed to be a reliable companion for HVAC technicians in their daily work. Complete Kit: manifold gauge comes as a comprehensive kit, including necessary hoses and connectors. You won't have to worry about purchg additional components separately, as everything you need is included for seamless operation.