Halcyon Aura Second Stage Regulator

The Aura Second Stage Regulator by Halcyon delivers a simple, compact and reliable breathing solution — ideal for divers who seek a “ready-to-dive” second stage or a dependable backup. The Aura provides smooth, consistent airflow for a natural breathing experience underwater, making it a great choice for recreational diving, training or as a backup regulator.

Key Features:

• Classic non-adjustable downstream valve design — simple, proven, and highly reliable under various conditions.

• Pre-set inhalation effort that works for most common diving situations — no adjustments required.

• Air Control Vane (ACV) — allows switching between “dive” and “Halcyon” modes to optimize airflow or reduce free-flow risk.

• Compatible with up to 40% Nitrox — ready for enriched air diving.

• Durable, compact and lightweight housing — easy to handle and maintain.

• Comfortable mouthpiece included — reduces jaw fatigue, ideal as a backup or rental regulator.

Why Choose the Aura?
The Aura is perfect for divers who want a hassle-free, robust second stage that just works — with proven downstream valve reliability, low maintenance demands, and enough features to ensure a comfortable dive. Excellent for training gear, rental kits, recreational diving, or as a dependable octopus/backup regulator.