Miller-Smith 30-20-540 Series 30 Oxygen Regulator, 0-20 PSIG

Series 30 single-stage regulators are extremely durable and contain 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. These highly accurate regulators are manufactured with a rugged forged body, corrosion-resistant bright nickel-plated bonnet and a highly durable neoprene composite diaphragm.