Features This is an easy-to-install refrigerant pressure gauge, convenient to replace a broken pressure gauge. The refrigerant pressure gauge has stable characteristics and high reliability, so you can use it with peace of mind. This refrigerant's pressure gauge has been updated and improved to withstand heavy use and accidental drops. The refrigerant pressure gauge can display the real-time system pressure used for refrigerant charging of the air conditioner. The refrigerant pressure gauge fits perfectly with original equipment and is widely used for R410A, R22, R134a and R404A. Specification: Item Type: Air Conditioning Manifold Gauge Model: HS-466NAL Application: R410A R22 R134a R404A Purpose: Used for charging air conditioners with refrigerant and displaying real-time system pressure Package list: 1 * Refrigerant Pressure Gauge Package List 1 x Refrigerant Pressure Gauge