主要用于休闲和技术潜水范畴
一款HOLLIS 212
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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. 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. The Hollis 212 Second Stage Housing is manufactured from Durable ABS/Polycarbonate.
Pneumatically balanced second stage
Patented Dynamic Adjustment once set automatically maintains inhalation effort throughout the dive by compensating for depth changes
Patented Orthodontic Mouthpiece for comfort and reduced jaw fatigue
Easy grip controls for precise adjustment even while wearing gloves
Venturi Switch for simple Dive/Pre-Dive modes
还有一款 HOG zenith
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The new Zenith 2nd stage is an evolution of our proven Classic Pneumatically Balanced 2nd stage.
The front cover has been redesigned to improve the performance, function, durability, and styling of the HOG 2nd Stage.
· The Zenith utilizes a soft touch silicone center portion to provide the ease of clearing found in our HOG Soft Front Cover Accessory but with far superior durability.
· The Zenith also has new styling that helps to control free flow in current while also providing a cutting edge look to the regulator, so you can represent with style while breathing easy.
内容都是网上复制下来的，感谢各位踊跃提供各自的看法。
一款HOLLIS 212
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. 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. The Hollis 212 Second Stage Housing is manufactured from Durable ABS/Polycarbonate.
Pneumatically balanced second stage
Patented Dynamic Adjustment once set automatically maintains inhalation effort throughout the dive by compensating for depth changes
Patented Orthodontic Mouthpiece for comfort and reduced jaw fatigue
Easy grip controls for precise adjustment even while wearing gloves
Venturi Switch for simple Dive/Pre-Dive modes
还有一款 HOG zenith
The new Zenith 2nd stage is an evolution of our proven Classic Pneumatically Balanced 2nd stage.
The front cover has been redesigned to improve the performance, function, durability, and styling of the HOG 2nd Stage.
· The Zenith utilizes a soft touch silicone center portion to provide the ease of clearing found in our HOG Soft Front Cover Accessory but with far superior durability.
· The Zenith also has new styling that helps to control free flow in current while also providing a cutting edge look to the regulator, so you can represent with style while breathing easy.
内容都是网上复制下来的，感谢各位踊跃提供各自的看法。