About This [Universal Compatibility] UL Listed Heavy Duty Acetylene Regulator with CGA200 inlet fitting; features standard B fitting for seamless integration with most welding and cutting setups.(It will NOT fit small MC or B acetylene tanks) [Precise Pressure Monitoring] Easy-to-read dual-scale large tank gauges(1.5") deliver clear pressure readings at a glance, enabling accurate regulation for consistent flame control and welding/cutting quality. [Durable Brass Construction] Forged brass body(1.77") and bonnet combined with premium internal components offer exceptional corrosion resistance, high heat tolerance, and long-term reliability, built to withstand rigorous workshop and job-site use. [Stable Pressure Output] Engineered for steady gas flow with an optimized internal structure; outlet pressure ranges 0-30PSI and inlet pressure up to 400PSI, ensuring stable flame, faster pierce time, and clean, precise cutting/welding results. [Stable Operation]: Optimized for normal temperature environments (15–25℃ / 59–77℉), offering stable pressure regulation, improved safety, and dependable performance for workshop and professional applications.