Hollis 221 DC-4 Balanced Regulator, DIN

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Customer reviews see below

• For cylinders fitted with a DIN valve only (for cylinders fitted with a standard yoke valve order adapter below)
• Nitrox compatible to 40% (the recreational limits of nitrox)
• Over-balanced first stage achieves superior performance by increasing your air flow the deeper you go
• Designed for extreme depths and cold water
• Pneumatically balanced second stage 
• Orthodontic mouthpiece to alleviate jaw fatigue by easing bite needed to hold regulator
• "Diver Adjustable" venturi to prevent unwanted free-flow
• FULL MANUFACTURER’S WARRANTY

UPGRADES: Hollis 321 Balanced Octo Add $159.95

Options:  ORDER HERE Regulator Only Regulator with Octo

Ergonomic Supersoft Silicone Mouthpiece $9.95	Scuba Deluxe Round Regulator Bag $29.95	DIN to Yoke Adapter $39.95