The Hongsen HS-M480AH-36” is a high-precision mechanical manifold gauge designed for HVAC and refrigeration professionals. It offers accurate pressure readings and is compatible with multiple refrigerants, making it a versatile tool for system diagnostics and maintenance.​ https://www.industrywaala.com/product/hongsen-taa0638-hs-m480ah-36-single-gauge-manifold-with-gauge-h-with-rubber-cover