R-1000 First Stage Balanced diaphragm system delivers steady airflow regardless of depth or tank pressure. Environmentally sealed design prevents internal contamination, extending the lifespan of the regulator. Multiple ports configuration provides flexible hose routing for different diving setups. O-100 Second Stage with LP-27in-SC Pneumatically balanced mechanism for a smooth and effortless breathing. Adjustable Breathing resistance allows fine-tuning based on personal preference and diving conditions. Integrated heat exchanger enhances cold-water performance by reducing the risk of freezing. Comes with a 27" - 360° swivel hose.