Varilite Cushion Valve Replacement Kit is available in either Standard Valve or PSV Valve. Kit includes replacement valve, adhesive, and installation instructions.
Pressure Setting Valve (PSV) : The PSV is marked with three pre-set positions, which provide the best range of immersion for most users. Positions 1, 2, and 3 are settings that determine the amount of immersion. Setting one is the least and setting 3 is the most.
Standard Valve for Adjusting Air Volume Sitting on a fully inflated cushion, the user opens the valve and releases air, closing the valve when sitting on approximately 1/2 inch (13 mm) of air and foam.
