The Tecline R4 TEC1 Set is built for technical divers who demand superior performance in challenging underwater environments, including cold waters. This high-quality set features the Tecline R4 first stage, the TEC1 second stage, a dependable octopus, and a precision submersible pressure gauge (SPG). 

Designed with a balanced diaphragm and dual high-pressure ports, the R4 first stage guarantees smooth and consistent airflow even in cold conditions (above 4°C). The TEC1 second stage is also specifically engineered to perform in cold water, ensuring reliable and easy breathing in temperatures over 4°C. With its adjustable inhalation resistance and Venturi system, the TEC1 second stage offers customised performance for optimal comfort and control during dives. 

Whether you’re diving in challenging cold-water conditions or tackling technical dive sites, the Tecline R4 TEC1 Set is the ideal choice for divers seeking reliable performance and durability.