Replacement for Yellow Jacket 19124 1/4" Hose Adapter for Left-Handed A2L Refrigerant Tanks - Female LH to Male RH Straight SKU:19124 A2L COMPATIBLE: A2L REFRIGERANT CYLINDER ADAPTERS DIFFER FROM STANDARD RIGHT-HANDED THREAD ADAPTERS. CYLINDERS THAT CONTAIN A2L REFRIGERANTS HAVE A LEFT-HANDED THREAD ON THE CYLINDER AND REVERSE THREAD ADAPTERS ARE NEEDED TO ACCESS REFRIGERANT. Use for A2L applications such as R454B/R32 tanks ¼" Female SAE flare left-handed x ¼" Male flare Material: Brass No depressor Patented o-ring seal for deep vacuum Quick coupler with and o-ring seal and no depressor For Refrigerant TypeR-32; R-454B Made in USA