ITEM NAME:HF-2 Copper Tempering Protector Oxygen Acetylene Instrument Flashback XNO HBA Descriptio n Description: Material: copper Color: picture color Dimensions: 6.7cm long, 1.8cm wide, inner diameter of 14mm and outer diameter of 18mm Scope of application: oxygen Working pressure: low pressure type (Mpa) Principle of action: dry type Features: Brass construction provides long service life Built-in check valve prevents the reverse flow of gas High quality brass construction, case is rugged and corrosion resistant Torch and regulator models provide downstream and upstream protection Preventing ignition of mixed gases and to protect equipment, hoses, regulators, cylinders Product list :1pcs* tempering arrester Note: Due to the hand measurement, there have size error about 1-5mm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same High quality buy, happy buyï ¼ HF-2 Copper Tempering Protector Oxygen Acetylene Instrument Flashback Arrester.Product list :1pcs tempering arrester. Scope of application: oxygen. Material: copper. Built-in check valve prevents the reverse flow of gas. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.