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Miller® Smith® Argon/CO2/Helium flowmeter regulator with hose, 30 PSIG - Rugged heavy-duty industrial-grade regulators provide efficient and accurate regulation, and include our exclusive self-centering flowball. They are constructed with our exclusive Sure Seat™ filtered seat technology for extended seat and regulator life. Filtered seats prevent contamination from entering the seating area, reducing repair costs and downtime. Filtered seats also reduce CO2 freeze-up. Provides high argon flow capacity up to 55 SCFH. Includes 6 foot hose.