122 airjets release thousands of heated bubbles that surround, support, and massage the body;Variable-speed blower lets you adjust massage intensity to 18 levels;Eight Proflex hydromassage jets can be individually adjusted for water flow and direction;Single-speed whirlpool offers performance and value with 8 fully adjustable jets;Built-in heater;Automatic and manual purge cycles remove residual water from air channels after use;60-minute automatic shutoff timer;Slotted overflow allows for deep soaking;Integral lumbar support;Keypad control;Textured bottom surface