The Tecline TEC1 OCTO Yellow is a high‑visibility second stage designed for reliable emergency use in both recreational and technical diving. Built with a balanced downstream valve, Venturi effect adjustment, breathing resistance adjustment, an ergonomic mouthpiece, and a durable aluminium outer ring, it delivers smooth airflow and EN250A‑certified performance in cold‑water environments. Its bright yellow body ensures rapid identification during out‑of‑air situations.
Balanced downstream valve for smooth breathing
The TEC1 uses a balanced downstream valve, ensuring consistent airflow and predictable breathing effort throughout the dive.
- Stable breathing at all depths
- Smooth airflow even under high demand
- Reliable performance in cold‑water conditions
- Suitable for technical, recreational, and overhead‑environment diving
High‑visibility yellow design
The OCTO version features a bright yellow body ensuring it can be located instantly during an out‑of‑air event.
- Rapid identification in low‑visibility conditions
- Ideal for team diving, training, and emergency response
- Enhances safety in overhead and cold‑water environments
Breathing resistance adjustment
The TEC1 includes a user‑adjustable breathing resistance knob, giving divers precise control over inhalation effort.
- Fine‑tune breathing comfort
- Increase resistance for rough surface conditions
- Reduce resistance for deep or high‑workload dives
- Supports personalised breathing performance
Ergonomic mouthpiece for comfort
Designed for long technical dives, the TEC1 features an ergonomic mouthpiece that reduces jaw fatigue and improves comfort.
- Soft, comfortable bite tabs
- Secure fit for long decompression stops
Durable body design
The TEC1 features a rugged, compact housing designed for demanding environments.
- Impact‑resistant construction
- Streamlined profile for efficient hose routing
- Built for long‑term reliability
The second stage is reinforced with a durable aluminium outer ring, improving structural strength and long‑term reliability.
- Protects the front cover from impacts
- Enhances regulator stability in high‑flow conditions
- Adds durability for technical and overhead‑environment diving
