ITEM NAME:R134A High Low Quick Coupler Adapter Screwed Joint +Extractor Valve Core Description: Made of Stainless Steel material, really sturdy and durable to use 100% quality and Brand new. Both types hose splitter could connect water hoses to Air.1 Piece External R134A Connector. 1 Piece Internal R134A Connector. Quick action 6-ball operated. Both types hose splitter could connect water hoses to Air conditioning fluoridation connection. Manifold hose connections on both adapters.