This is the Atomic Comfort Swivel 32 Regulator Hose Available in Brass, Stainless Steel, or Titanium Features: Extremely comfortable 32 inches in length Fits almost any regulator The Atomic Aquatics "comfort swivel" hose increases your comfort on every dive! Your local Atomic Aquatics dealer can install the lightweight Atomic Aquatics Comfort Swivel in less than 30 minutes. Once you dive with it, you&';ll wonder why no one else ever thought of this highly comfortable and useful innovation. This Comfort Swivel Hose is universal and will fit virtually any second stage on the market today. If your regulator uses a standard 9/16"-18 low pressure hose fitting as most do, the Universal Comfort Swivel simply replaces your existing hose assembly. Constructed of chrome plated brass and stainless steel. "