I know the members here at much younger than me, but have you ever bought or help an older person with an oxygen generator.
I am looking at purchasing one for home used, here is a small link.
https://www.oxygenconcentrator.shop/collections/home-oxygen-concentrator
I am looking at purchasing one for home used, here is a small link.
https://www.oxygenconcentrator.shop/collections/home-oxygen-concentrator