ION Regulator, non swivel

Pneumatically balanced 2nd stage with virtually no breathing effort, Patented Dynamic Adjustment automatically maintains inhalation effort throughout the dive, Adjustable venturi switch for dive/pre-dive adjustment, Nitrox compatible to 40%, Patented orthodontic mouthpiece with high density bite tabs, Lightweight 5.4 ounce second stage with small 2.3" wide outer ring, Paired with the AT-400 Balanced Diaphragm First Stage featuring DVT (Dry Valve Technology)