Feature: 1. Can withstand high working pressure, explosion-proof, strong sealing, to improve the safety of use. If you are satisfied with our service, pls. Weight: Approx. 225g / 7.9oz. This refrigerant fluorine adding tube adopts 1 / 4sae interface, which can be applied to R22 / R134a / R404, R12 / R407C / R600, etc.