AirSep VisionAire 5 Oxygen Concentrator

(Like New; bought it in 2021 & tested & cleaned in great condition):
Asking for $360 (vs online promo price: ~$650+ (pre-tax) = $715 (incl. tax) vs. $1,099.00 retail price (pre-tax))

Please pick up in an off-campus apartment (4.6 miles from Stanford campus)

For your reference:
https://www.justmedicalstore.com/airsep-visionaire-5-home-oxygen-concentrator.html?gclid=Cj0KCQjwxdSHBhCdARIsAG6zhlXuO0ehpWFr7UAsHUkiifrs34_ky9VibxdPTpuY2kCDKWGmdek8RQkaAl79EALw_wcB

https://www.cascadehealthcaresolutions.com/airsep-visionaire-5-oxygen-concentrator/?sku=AS098-1&cmp_id=13740935986&adg_id=121133907101&kwd=&device=c&gclid=Cj0KCQjwxdSHBhCdARIsAG6zhlVWF65uhbPjYd6oTIk0zTOXSH06_cMUopmPzB9hgV_ENhtj1xIQp5EaAm1qEALw_wcB