Innovative NEW EDGE Series Regulators Offer Safety and Advanced Design Victor has been the leader in gas equipment for close to a century, and its tradition of unparalleled safety remains a cornerstone of the brand today. With the Victor Professional EDGE Series Regulators, Victor continues to offer the safest, most reliable and highest quality gas control technology, giving you more value for your purchase. In addition, standardized designs and components throughout the EDGE family greatly simplify regulator service and repair. ESS4 EDGE Series, single stage, high capacity regulator. The EDGE Series regulators have easy to read gauges with enhanced graphics, color-coded knobs for quick gas identification, and offer more natural and safer hand/body positioning for adjusting delivery pressure. Outperforming traditional designs, Victor Professional EDGE Series regulators offer a more consistent flow performance over a wide range of cylinder pressures. ESS3 EDGE Series, single stage, medium capacity regulator. The EDGE Series regulators have easy to read gauges with enhanced graphics, color-coded knobs for quick gas identification, and offer more natural and safer hand/body positioning for adjusting delivery pressure. Outperforming traditional designs, Victor Professional EDGE Series regulators offer a more consistent flow performance over a wide range of cylinder pressures.