Multi stage gas welding regulator. Two regulators in one forged brass body for maximum strength. 

First stage reduces full cylinder pressure by approximately 90%. 

Second stage accurately controls flow and delivery pressure. 

Chrome bonnet. 

Non removable adjustment knob. 

Sintered metal filter. 

3/8″ right hand thread outlet for oxygen. 

3/8″ left hand thread for acetylene. 

Conforms to EN ISO 2503