Hollis 500 SE - DC7 Regulator Octy The SMS75 Side-Mount System comes

The SMS75 Side-Mount System comes with a low pressure 3/8" threaded quick-disconnect hose

Durable Enough to Survive Most Radical Underwater Adventures

Not any more…

Mouthpiece Provides Comfort and Reduced Jaw Fatigue

Hollis 500 SE - DC7 Regulator Octy The SMS75 Side-Mount System comesThis products Overview The new 500SE utilizes a servo controlled valve to provide precision airflow and unparalleled performance for both air and trimix divers in a side exhaust configuration. To achieve this, we have perfected the original "lever servo valve" we designed 35 years ago. Overbalanced diaphragm first stage also provides ideal hose routing for both backmount and sidemount users and optimum performance regardless of depth. specifications