1st.stage (R-100).

Light weight 620g (21.9 oz / 1.37 lb) inline balanced piston [PAT.] first-stage.

Two H.P. ports and four L.P. ports.

2nd.stage (S-30)

Breathing resistance adjustment knob.

Colors : Black Only.

Ortho-consciously designed mouthpiece

The RS-130 combines the basic functions of the RS-110 with a breathing resistance adjustment function. It features glass fiber materials in the second stage for superior shock resistance as well as lighter weight and compactness. There's been a major reduction in friction resistance of moving sections and air resistance in the housing for smooth, ideal respiration.

 

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