HOG D3 / Zenith Regulator Set

Built for technical and advanced divers who demand uncompromising performance, the HOG D3 / Zenith Regulator Set delivers rugged reliability without the unnecessary frills. HOG is recognized worldwide for producing high-performance regulators trusted in demanding environments—and this system is no exception.
The set includes a flexible 28" braided hose and has earned a ScubaLab Testers Choice Award, outperforming many major industry brands.

Zenith Second Stage

The HOG Zenith is a pneumatically balanced, fully adjustable second stage designed to make breathing underwater feel effortless and natural.
Its advanced features include:

Current-Flow Dispersing front cover for smoother inhalation

Silicone Soft-Touch purge for easier use

Improved exhaust design for comfortable breathing and reduced bubble interference

Durable braided hose for added flexibility and longevity

Dual user-adjustable controls allow divers to fine-tune breathing effort and venturi assist, offering personalized performance throughout every phase of the dive.

D3 Sealed First Stage

Engineered for cold, contaminated, and saltwater environments, the HOG D3 is a compact, environmentally sealed, balanced diaphragm first stage.
Key characteristics include:

Available in Yoke or DIN

2 HP and 5 LP ports for versatile hose routing

360° rotating turret that allows hose routing similar to piston-style regs—rare in a technical diaphragm design

Superior performance compared to the HOG D1X

The D3’s sealed system protects internal components from the elements, ensuring smoother operation and long-term durability.

Key Features

2 High-Pressure Ports

5 Low-Pressure Ports

Balanced Diaphragm First Stage

Environmental Seal Kit

Swivel First Stage Turret

Balanced, Adjustable Second Stage

Venturi Control

Second Stage Swivel

Silicone Front Cover