Scuba Regulators – Second Stage Only

Explore our collection of second stage regulators, designed to provide smooth, effortless breathing underwater. The second stage receives air from the first stage regulator and delivers it to the diver on demand. High-quality second stage regulators ensure reliable airflow, comfortable mouthpieces, and optimal performance in both recreational and technical diving environments.

Why Choose a Second Stage Regulator?

• Reliable breathing: Smooth airflow for safe, consistent breathing at any depth.
• Comfort: Ergonomic mouthpieces reduce jaw fatigue during extended dives.
• Performance: Adjustable venturi and cracking resistance for precise air delivery.
• Durability: Made with high-quality materials for long-lasting use in saltwater and freshwater.
• Compatibility: Works with most first stage regulators for flexibility and ease of upgrade.

Key Features to Consider

• Adjustable venturi to prevent free-flow and optimize airflow
• Ergonomic mouthpiece for comfort on long dives
• Purge button for easy air release and clearing
• Lightweight and compact design for travel-friendly diving
• Environmentally sealed options for cold-water diving

Who They’re Best For

Recreational divers: Comfortable and easy-to-use second stages for everyday dives.
Technical divers: Durable and precise regulators for advanced and cold-water diving.
Travel divers: Compact and lightweight second stages for easy packing.
Beginner divers: Simple, user-friendly regulators for safe and effortless breathing underwater.

Buying Tips

1. Compatibility: Ensure the second stage fits your first stage and BCD inflator setup.
2. Comfort: Select an ergonomic mouthpiece and lightweight design for extended dives.
3. Performance: Adjustable venturi and cracking resistance provide precise airflow and prevent free-flow.
4. Environmental sealing: Consider sealed designs for cold-water or drysuit diving.
5. Maintenance: Choose second stages with easy servicing and widely available replacement parts.

Maintenance & Care

• Rinse thoroughly in fresh water after every saltwater dive.
• Flush the second stage to remove debris and salt buildup.
• Store in a cool, dry place away from direct sunlight.
• Inspect the mouthpiece, purge valve, and housing regularly for wear or damage.
• Professional servicing annually or after recommended dives to maintain performance.

Frequently Asked Questions

What is a second stage regulator?

The second stage regulator delivers breathable air from the first stage to the diver on demand, ensuring smooth and consistent airflow underwater.

What features improve comfort in a second stage?

Ergonomic mouthpieces, lightweight design, adjustable venturi, and cracking resistance all improve comfort and reduce jaw fatigue.

Can second stages be used with any first stage?

Most second stages are compatible with a wide range of first stages, but always confirm compatibility before purchase.

Are environmentally sealed second stages necessary?

Environmentally sealed second stages prevent freezing in cold water and provide more reliable performance in low temperatures.

How often should second stages be serviced?

Manufacturers recommend professional servicing annually or after a set number of dives to ensure optimal performance and safety.