Victor Oxygen Regulator. Made in the USA. New style, forged body, Nickel Plated Bonnet, more accuracy with needle regulation, Sure Seat technology, filter-encapsulated seat.Controls oxygen flow to your torch. One gauge reads PSI for oxygen flow (line pressure), and the second gauge reads amount of oxygen in tank. Economical, compact single stage design provides efficient and dependable control of gases. Delivery pressure is 0-100 PSI. Standard "B" Size fittings.