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TUSA RS609 Regulator

A lightweight, high-performance regulator designed for smooth airflow, customizable breathing and enhanced comfort.
By Scuba Diving Partner | Published On April 8, 2026
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White scuba diving regulator second stage with a compact design, large purge button, and attached flexible hose for easy breathing underwater.

A lightweight, high-performance regulator designed for smooth, effortless breathing and all-day comfort.

Courtesy of TUSA

The TUSA RS609 regulator is engineered to deliver smooth, effortless breathing in a compact, lightweight design. Its second stage is optimized to maximize airflow, ensuring consistent gas delivery with minimal effort.

An enlarged purge button allows for easy operation, while the ergonomic click-spring adjustment knob lets divers fine-tune breathing resistance to match their preferences. The ortho-conscious mouthpiece is designed to reduce jaw fatigue, enhancing comfort during longer dives.

The balanced-diaphragm first stage features four low-pressure and two high-pressure ports, providing flexible hose routing and reliable performance across a range of conditions. The system is available in black or white with matching hose options, and includes a stainless-steel face with a mirror-polished finish for added durability and style.

Why We Love It

Flexible Miflex hose enhances comfort and reduces jaw fatigue during extended dives.

Pricing:

$575; €439

Learn more at tusa.com