Blue star Acetylene Fuel Gas Regulator, UL listed (541-L). Dual pressure gauges rated up to 400 PSI and 2800 kPa. Brass body construction with clean threads and intact adjustment knob. Some cosmetic wear and minor tarnish from normal use. • Brand: blue star • Model: 250-15-510 • UL Listed: 541-L • Type: Fuel Gas / Acetylene Regulator • Material: Brass • Condition: Used On photos: actual item you will receive. Nothing more, nothing less. Please ask any questions before bidding.