This used functional Harris Model 425 Single Stage Regulator 425-125 is a gas regulator designed for welding equipment and accessories. Manufactured by the reputable brand Harris, this regulator is known for its quality and performance in controlling and regulating the flow of gases in welding operations. With its single-stage design, the regulator provides accurate and reliable regulation for various welding applications, making it a valuable tool for professionals in the metalworking industry. Gauge lenses cracking as shown in pictures.