• Liquid safety valve made of high-quality brass, corrosion-resistant and long-lasting • Solid and reliable, with a rotating top that improves efficiency and safety during air conditioning system maintenance • Easy installation: connects to the end of the hose, allowing simple use and minimizing refrigerant loss during maintenance • Ergonomic design with upper rotation mechanism for comfortable and efficient handling • Quick-connect adapter for air conditioning, dimensions 65 x 20 mm, weight 150 g • Allows precise control of high and low pressure valve needles in R22/R410A air conditioning systems • Thickened valve body and brass hose connector, ensuring durability and a prolonged service life • Factory sealing and multi-component connections that prevent leaks and avoid hand freezing during use • Facilitates maintenance and increases safety in the operational process