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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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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The Hollis DC3 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: HLSDC3221D, Hollis Gear, Regulators, Essential Equipment, Hollis DC3/221 Regulator with 30" (76.2 cm) Maxflex Hose, DIN Din
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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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The Hollis 221 Second Stage Regulator is a Pneumatically Balanced Demand Valve Design. The Hollis 221 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. The Control Knob has an Easy Grip for Precise Adjustments even while Wearing Gloves. The Hollis 221 Second Stage Housing is manufactured from Durable ABS/Polycarbonate... more
Tags: HLSSS221, Hollis Gear, Regulators, Essential Equipment, Hollis 221 Second Stage Only With Out Hose
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The Pony Bottle Gauge is a tiny gauge that Easily Connects to the 7/16" High-Pressure Port of your Pony Bottle Regulator or other Alternate Tank Regulator to show pressure in an Easy-to-Read Display. Any diver who has used a Pony Bottle knows the Hassle involved with trying to find out how much air is in the tank. Switching regulators to view the primary pressure gauge or adding a separate pressure gauge to the pony bottle is a problem solution. Now with the Pony Bottle Gauge, all those headaches are over. The Pony Bottle Gauge is available in PSI or BARS of Pressure... more
Tags: HLSPBGB, Hollis Gear, Gauges, Essential Equipment, Hollis Pony Bottle Gauge BAR
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Technical Divers need redundant safety back-ups on most all their equipment to assure the safest dive techniques allowed. A First-Stage Regulator should work well when it is maintained properly, yet if it does malfunction added safety features can make the difference between a controlled emergency and a diving accident. Incorporating a safety relief valve on your First-Stage regulator allow an over pressurization of the 2nd-Stage Hose nearly imposable. This Compact Over-Relief Valve (OPV) is designed to releases pressure in the event of an over pressurization of the first stage regulator... more
Tags: HLSOPFS, Hollis Gear, General Accessories, Assorted Accessories, Hollis Over Pressure Relief Valve For First Stage
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Improve the Flexibility, Lower the Total Weight and add Extreme Comfort when Diving with Hollis Gear's 30" (76.2 cm) MaxFlex Hose. The MaxFlex Hose is a Lightweight, Flexible, Braided Hose Designed to Outperform and Outlive Traditional Rubber Hoses. Hose has Durable Chrome Plated Corrosion Resistant Fittings. The First-Stage End Fitting has 3/8" Threads for Standard LP Ports. Hose is covered by a 2 year limited warranty.... more
Tags: HLSLPMH22, Hollis Gear, General Accessories, Assorted Accessories, Hollis Low Pressure Maxflex Hose 22"
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There are several items that are essential when putting together a Save-A-Dive Kit, Cylinder Valve O-rings, Fin Straps, Buckles, etc. One of the most important items is the spare Regulator Mouthpiece. This Hollis Black Silicone Mouthpiece is a Patented Orthodontic Mouthpiece for comfort and reduced jaw fatigue. Universal and will fit a large variety of Regulators out there. Mouthpiece is Soft and Comfortable. Don't let a bad mouthpiece be the cause of a leaking regulator always carries a spare. Oh Yea! Don't forget the Tie Wraps to attach it with! SEE: SKU AQUTW10 Tie Wrap.... more
Tags: HLSRMP, Hollis Gear, General Accessories, Assorted Accessories, Hollis Regulator Mouthpiece, Black
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