Suggested Retail: $40. Yxmeiguo - Gray - Lightweight Portable Oxygen Concentrator Backpack for G3 Unit This Yxmeiguo lightweight backpack is specifically designed for the G3 portable oxygen concentrator. It features breathable mesh panels for superior airflow and is water-resistant, ideal for outdoor activities. The backpack is ergonomically designed with adjustable and padded straps for comfort during use. It also includes a zippered bottom for easy battery replacement and a two-in-one port for charging. Brand: Yxmeiguo. [Reference: 9t0cFOSfFNqmjgujiMBRgn]. LOT STICKER: LPNNJ4VVYCLK6. Type: Regular. Color: Gray. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.