The Broco® Underwater High-Volume Oxygen Regulator is a multi-stage unit delivering the constant flow and high volume required for underwater burning. Broco’s research demonstrates cutting efficiency depends more on oxygen flow than oxygen pressure. Broco’s High-Volume Regulator is offered to meet this basic requirement. Designed and manufactured for ease of operation, maximum efficiency, and years of rugged use, the Broco Underwater High-Volume Oxygen Regulator is Underwriters Laboratories Listed.