R134A Adjustable Quick Couplers (QC-19H/L) Wuyi Zongheng Import & Export Co., Ltd. Base Info Model NO.:QC-19H,LMaterial:BrassRefrigerants:R134ATrademark:DSZHSpecification:ISO9001: 2000Origin:ChinaHS Code:820559 Description Pre:Anchor Next:Automotive R134A Quick Couplers (QC-15)