A simple twist of the Delta 4 adjustment knob enables complete control...set the inhalation requirement to near zero when you need ultimate performance, or tune it for greater resistance as conditions or preferences change. The Dry Regulator Technology eliminates the possibility of moisture entering the first stage with a simple design. The result is an end to flooded regulators and is designed to eliminate moisture intrusion and contaminants from entering your breathing system.
The patented DYNAMIC ADJUSTMENT feature built into the Delta 4 is a mechanically balanced valve which maintains a preferred breathing resistance throughout the dive. Set it once and the Delta 4 automatically adjusts to make breathing as easy at 100 feet (33 meters) as it is at 30 feet (10 meters), no additional manual adjustment.
The Adjustable Venturi System deflector vane diverts the airflow from the valve directly to the mouthpiece, producing smooth venturi-assisted inhalation. The Delta 4 also features an ergonomically designed in-line swivel for ultimate comfort.
DIN (deutsche industrie norm) with no DVT (dry valve technology) is available.
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