This is the Foam Cabinet Filter for Respironics Millenium M10 Oxygen Concentrator.
It measures approximately 4" W x 8" L x 1/4" H
It will fit the Respironics Millenium 10 Oxygen Concentrator.
This is the great Replacement Foam Cabinet Filter, by DeVilbiss. It Measures approx. 3 5/8" W x 3 5/8" L x 5/8" H. It will fit the DeVilbiss 303 Series Oxygen Concentrators.
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