The Tecline TEC2 OCTO Yellow is a high-visibility, high‑performance second stage engineered for reliable emergency breathing in demanding technical and recreational environments. Featuring a high‑flow balanced downstream valve, Venturi control, breathing resistance adjustment, an ergonomic mouthpiece, and a reinforced aluminium outer ring, it delivers exceptional breathing comfort and EN250A‑certified reliability. Its bright yellow body ensures instant identification during out‑of‑air situations.
High‑flow balanced downstream valve
The TEC2 is built around a high‑flow balanced downstream valve, offering increased gas delivery compared to the TEC1 series.
- Effortless breathing at all depths
- High‑flow performance for demanding technical dives
- Stable airflow under heavy workload
- Optimised for cold‑water and deep environments
High‑visibility yellow design
The OCTO version features a bright yellow body, ensuring it can be located instantly during an out‑of‑air event even during low-visibility conditions.
Breathing resistance adjustment
The TEC2 includes a user‑adjustable breathing resistance knob, giving divers precise control over inhalation effort.
- Fine‑tune breathing comfort
- Increase resistance for surface conditions
- Reduce resistance for high‑stress situations
- Supports controlled breathing during gas‑sharing emergencies
Ergonomic mouthpiece for comfort
Designed for long technical dives, the TEC2 features an ergonomic mouthpiece that reduces jaw fatigue and improves comfort.
- Soft, comfortable fit during stressful situations
- Ideal for long decompression stops when used as a backup
Reinforced aluminium outer ring
The TEC2 is equipped with a durable aluminium outer ring, improving structural strength and long‑term reliability.
- Protects the front cover from impacts
- Enhances stability in high‑flow conditions
- Built for technical and expedition‑grade diving
Cold‑water certified performance
Certified to EN250A, the TEC2 is engineered to perform safely and reliably in cold‑water environments.
