For W21.8 to 1/4" SAE. 1 B ottle A dapter O n 1/4 "SAE thread (withS eal ). 1 A dapter 1/4 "SAE I nternal T hread - LP-vehicle A ir C onditioning C onnection(with S eal ). 1 A dapter 1/4 "SAE I nternal T hread -HD A utomotive A ir C onditioning C onnection(with S eal ).
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