General description The R134A A/C Recharge Hose Kit is designed for accurate filling of your car's air conditioning refrigerant. It features a single spring pressure gauge that allows you to check the low side pressure with a 1.5 level error margin, ensuring precise readings. Technical specifications Gauge type: Single spring pressure gauge Error margin: 1.5 level Material: High quality rubber hose Corrosion reduction: 98% Durability: Handle designed for over 50,000 uses Other information Built-in safety valve to prevent accidental leakage of refrigerant Extra large, easy-to-read dial for convenient viewing during use