Portable Oxygen Concentrator Backpack - Fits Many Oxygen Concentrators (Refurbished) Size:FITS: CAIRE FREESTYLE COMFORT (SINGLE BATTERY ONLY) they go through rigorous testing

they go through rigorous testing to ensure you and your unit are safe

Who says medical medical equipment carriers have to be boring

Limited supply of these lightweight backpacks

Experience improved comfort and convenience while wearing your Arya

The long shoulder strap has a built-in cannula holder to prevent dragging

Portable Oxygen Concentrator Backpack - Fits Many Oxygen Concentrators (Refurbished) Size:FITS: CAIRE FREESTYLE COMFORT (SINGLE BATTERY ONLY) they go through rigorous testingSee below for dimensions & if your unit will fit! Open box for this item: Great condition, might have been used once and might have a small blemish or two that doesn't interfere with the integrity of the backpack and some are hardly noticeable! Great Breathable Mesh Backpack for every season! keeps you & your unit cool The universal mesh backpack is a highly breathable ventilated and adjustable length backpack designed to hold various oxygen