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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.



The HOG Second stage gives you ergonomic one-handed access to both the inhalation effort knob and the dive/predive venturi adjustment lever, making perfect regulator tuning easy. The rigid second stage face cover and the positive-action purge button with diaphragm protection reduces the possibility for current-induced free flows and completely eliminates the possibility of diaphragm pinching seen with many flimsy rubber purge covers. The most important feature of the HOG technical second stage is the amazing breathing performance! The metal gas tube and precision components of this second stage allow for precision tuning for extremely easy breathing while also retaining heat and moisture from exhaled breath. This provides increased resistance to freezing in cold water and less "dry mouth". The dual diver-adjustable features allow for condition-specific tuning during each stage of the dive. When paired with the HOG D1 or D1 COLD first stage, you can assemble a technical diving regulator that simply cannot be beat!



Route Your Regulator Your Way With the HOG Reversible Second Stage!
Same proven high performance design as the HOG Classic 2nd Stage.
Composite plastic case for greater durability and impact resistance.
2nd stage can be configured quickly and easily to accept the LP hose from the right or left side of the case for maximum routing flexibility.
Routing flexibility is perfect for rebreather and sidemount divers
All parts required for routing configuration changes included.
Diver adjustable breathing resistance and venturi assistance.
Two Material Soft Bite Mouthpiece for durability and comfort.
Soft touch front purge covers available as accessories.
LP hose not included with 2nd stage allowing the diver to choose the optimum length for their unique needs..


Second Stage Soft Cover

For the diver that wants to color code their second stage or use a soft cover?
Soft covers can make for easier purging.
Available in Black, Green, Yellow, or Blue
2 Year Warranty with normal use. Use in contaminated water (gas, oil, etc) will invalidate warranty.