... .: 2009301384225 Connection: 1/4 SAE Refrigerant: R22, R134a, R404a, R407c Electronic Manifold Gauge Set Connection: 1/4 SAERefrigerant: R22, R134a, R404a ... , R407cFeatures: 1. High quality aluminum valve body in three contours for choice. 2. Large LCD display instead ... comfortable hand wheel design. 7. Constant and durable product quality. Electronic Manifold Gauge Set