Hollis 212 2nd Stage (only) without Hose

Hollis 212 Second Stage (Only) w/o Hose

The Hollis 212 Second Stage Regulator is a Pneumatically Balanced Demand Valve Design with a Patented Dynamic Adjustment that once set Automatically Maintains Inhalation Effort throughout the Dive by Compensating for Depth Changes. The Hollis 212 Second Stages also has an Adjustable Venturi System (A. V. S). This simple Dive/Pre-Dive Switch allows the diver to Adjust Inhalation Effort so the Second Stage won't Free-Flow during shore entries or long surface swims. All Controls are Easy Grip Controls for Precise Adjustments even while Wearing Gloves...more

Tags: HLSSS212, Hollis Gear, Regulators, Essential Equipment, Hollis 212 Second Stage (Only) w/o Hose

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Hollis DC1/212 Regulator with 30" (76.2 cm) Maxflex Hose Din

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The Hollis DC1 1st Stage Regulator is an Over-Balanced Diaphragm Regulator Design that provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions. The diaphragm membrane transmits the pressure changes to the internal mechanism eliminating the need for the surrounding water to enter the intricate mechanism. The benefit of this type of first stage design is that none of the internal parts are exposed to contaminants such as salt, sand, chlorine or pool acids...more

Tags: HLSDC1212DN, Hollis Gear, Regulators, Essential Equipment, Hollis DC1/212 Regulator with 30" (76.2 cm) Maxflex Hose Din

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Also available in: Yoke

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Hollis DC2/212 Regulator with 30" (76.2 cm) Maxflex Hose Din

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The Hollis DC2 1st Stage Regulator is a Compact and Streamlined Over-Balanced Diaphragm Regulator Design that provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions. The diaphragm membrane transmits the pressure changes to the internal mechanism eliminating the need for the surrounding water to enter the intricate mechanism. The benefit of this type of first stage design is that none of the internal parts are exposed to contaminants such as salt, sand, chlorine or pool acids...more

Tags: HLSDC2212D, Hollis Gear, Regulators, Essential Equipment, Hollis DC2/212 Regulator with 30" (76.2 cm) Maxflex Hose Din

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Also available in: Yoke

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