Removed from a working DeVilbiss 525DS oxygen concentrator. This is the rotary valve assembly with stepper motor, clear housing, and factory wiring harness intact. Unit is clean, turns freely, and all ports are undamaged. • Part Numbers: 525DD-422 / 525DD-110 Rev C / 515A-106 Rev F • Stepper Motor: Minebea 17PM-K308UWBV1.17G • Fits DeVilbiss 525DS / 525KS series oxygen concentrators • Professionally removed and visually inspected • Approx. 5.5" tall
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