The RS-811S features a balanced piston first stage
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TUSA REGULATOR RS-811S SIGMA DIN
The RS-811S features a balanced piston first stage, offered in both YOKE and DIN configurations. This compact and reliable balanced piston first stage delivers instant and consistent airflow by way of two H.P. and four L.P. ports. The S-11 second stage features the Advanced Flow System (A.F.S) and a venturi adjustment lever in a compact case design.
First stage (R-800S)
Second stage (S-11)
Advanced Flow System
The advanced flow system allows ease of air flow and makes air delivery smoother due to the curved housing structure.
Ortho-conscious Mouth Piece
The ortho-conscious mouth piece feature prevents jaw fatigue. The ridges and flexible material allow the diver to have more control of the mouth piece and reduces tension in the jaw.
Venturi Flow Adjustment
The venturi flow adjustment allows for ease of breathing by controlling the direction of air through the mouthpiece.
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