3/4" SAE 45° Flare (SAE J512) FlareTight Seal The 3/4" SAE 45° Flare (SAE J512) FlareTight Seal is designed to provide reliable sealing for compatible SAE 45° flare connections used in HVAC, refrigeration, automotive, and fluid-handling systems. It is engineered to help improve sealing performance at the flare interface and reduce the risk of leakage when properly installed. The Fl... https://flaretight.com/