Hongsen Hs-S60 Series Manifold Gauge Set,

Dual Gauges: Features a blue low-pressure gauge (0–350 PSI) and a red high-pressure gauge (0–800 PSI).Aluminum Body: Built with a high-quality aluminum alloy valve body for durability and corrosion resistance.Refrigerant Compatibility: The HS-S60-104 model is designed for use with R410A, R404A, R407C, and R134a refrigerants.Design Features: Includes vibration-resistant mechanisms for accurate pointer readings and an integrated sight glass to observe refrigerant flow.