Feature: 1. APPLICABLE MODEL: Refrigerant pressure gauge set with hose, suitable for R22, R32, R410A refrigerant, with strong compatibility, convenient and durable. 2. EASY OBSERVATION: The pressure gauge has an enlarged window design, which can be disassembled and cleaned, convenient to observe with a mirror. 3. SIMPLE STRUCTURE: The pressure gauge has metal knobs and adopts 90° on off control ball valve structure, which is efficient and reliable in operation. 4. DURABLE MATERIAL: The shell is made of alloy material, with high hardness and wear resistance, with PTPE sealing gasket to reduce refrigerant leakage. 5. WIDE APPLICATION: Suitable for car repair, central air conditioning decoration and maintenance, cold storage repair, etc., with a wide range of applications. Specification: Item Type: Refrigerant Pressure Gauge Set Material: Alloy, PTPE Interface Thread: G1/4 Applicable Refrigerants: R22, R32, R410A Valve Structure: Ball valve structure, 90° on off control Gasket Type: PTPE Gasket. Package List: 1 x Pressure Gauge (G1/4 Male)3 x Hose (G1/4 Female)2 x Connection Valve (G1/4 Male)3 x Hose Fittings1 x Storage Box Note: 1. Please operate according to the requirements of the operation guide or under the guidance of professionals; do not use excessive force when opening and closing the valve to prevent damage to the sealing part;2. It is strictly forbidden to misuse the high and low pressure or to open the high and low pressure valves at the same time during filling; it is strictly forbidden to use the working fluid that does not match the indication of the table group;3. When using, the sight glass of the watch group should not be aimed at the crowd to prevent accidents;4. The pressure gauge is a wearing part and should be calibrated regularly. Generally (3‑6 months), it should be sent to the measurement department for calibration to ensure its accuracy;5. When using, it should be handled with care, shockproof and dropproof;6. After use, loosen the valve and keep it properly.