Tracer EX2 18" x 16" Frame with Removable Fixed Height, Full Length Arms Drive Devilbiss Recommended for use on the titan1816 Size:Large - 16390 2-Batteries blue and yellow appear

Recommended for use on the rear legs of the walker when fixed or swivel wheels are used on front walker legs

The built-in Concentrator Performance Information (CPI) Technology in the Live Active Five oxygen concentrator helps to quickly identify any unit faults that may arise during its lifetime

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Compact and Low-Maintenance: This device is lightweight and compact and its unique design looks less like a medical machine so that it blends in with the furniture around it

Tracer EX2 18" x 16" Frame with Removable Fixed Height, Full Length Arms Drive Devilbiss Recommended for use on the titan1816 Size:Large 16390 2 Batteries blue and yellow appear Recommended for use on the rear legs of the walker when fixed or swivel wheels are used on front walker legs The built in Concentrator Performance Information (CPI) Technology in the Live Active Five oxygen concentrator helps to quickly identify any unit faults that may arise during its lifetime