321 Octopus This octopus is designed on the same platform as the high performance 221 2nd stage.... more
Tags: HLSBO321, Hollis Gear, Octopuses, Essential Equipment, Hollis Balanced 321 Octopus with 36" Yellow Hose
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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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The Hollis 210/O2 Second Stage Tech Regulator is certified for up to 100% Oxygen Service thanks to Highly Specialized Component Materials and Manufacturing Processes. Cleaned and Assembled in a Clean Room Environment with Specially Designed Materials, Halocarbon Based Lubricants and Color-Coded for Easy Identification. The Second Stage Housing is manufactured from Durable ABS/Polycarbonate. Second Stage has a Patented Orthodontic Silicone Rubber Mouthpiece for exceptional comfort and Reduced Jaw Fatigue... more
Tags: HLSSS, Hollis Gear, Regulators, Essential Equipment, Hollis 210/HO2 Second Stage Only w/o Hose
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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 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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With the Bulletproof Design of the Hollis HP5 Non-Balanced Flow-By Piston First Stage the 210/H-O2 Tech Regulator is Certified for up to 100% Oxygen Service thanks to Highly Specialized Component Materials and Manufacturing Processes. Cleaned and Assembled in a Clean Room Environment with Specially Designed Materials, Halocarbon Based Lubricants and Color-Coded for Easy Identification. The Hollis 210/H-O2's First Stage Regulator comes with a 300 BAR/4500 PSI DIN Connection. The DIN Hand-Wheel Connector comes in Oxygen Green for Easy Identification for Oxygen-Use-Only... more
Tags: HLSO2210, Hollis Gear, Regulators, Essential Equipment, Hollis 210/H-02 Oxygen Regulator, 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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With the Bulletproof Design of the Hollis HP5 Non-Balanced Flow-By Piston First Stage the 210/H-O2 Tech Regulator is Certified for up to 100% Oxygen Service thanks to Highly Specialized Component Materials and Manufacturing Processes. Cleaned and Assembled in a Clean Room Environment with Specially Designed Materials, Halocarbon Based Lubricants and Color-Coded for Easy Identification. The Hollis 210/H-O2's First Stage Regulator comes with a 300 BAR/4500 PSI DIN Connection. The DIN Hand-Wheel Connector comes in Oxygen Green for Easy Identification for Oxygen-Use-Only... more
Tags: US16486, USED: Hollis 210/H-02 Oxygen Regulator, DIN
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SIDE EXHAUST REGULATOR Utilizes a servo-controlled valve to provide precision air flow to the diver. Hollis has redesigned the old Tilt-Servo Valve' with a Lever-Servo Valve' to provide unparalleled performance in a side exhaust configuration.... more
Tags: HLSSS500, Hollis Gear, Regulators, Essential Equipment, Hollis 500SE Second Stage Only With Out Hose
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