Here's a look at the HOG D2 and D3 first stages along with the HOG Zenith and new Classic second stages. Go to: https://edge-gear.com The environmental sealed first stages are very popular with cold and dirty water divers. Excellent adjustibility of both of the HOG 2nd stages means effortless breathing at any depth. Quality, reliability and value is what really makes the HOG Regulators the best buy around.
See the Edge-Gear.com website to find a dealer near you.