ITEM NAME:2Pcs R-134A AC and R134A Adaptor Refrigerant R134A Refrigerant Freon 134A T B7Y5 2Pcs R-134A AC and R134A Adaptor Refrigerant R134A Refrigerant Freon 134A T B7Y5 1.Made of heavy duty Material to last under extreme.Usefully AC R134A Can Tap: R-134a and R-134 automotive air conditioning dispensing valve. used to tap into the small AC refrigerant cans. 2 Automotive air conditioning refrigerant.