Most of the POC units have wheeled carts you can purchase along with the unit. If yours doesn't, google "two wheeled carts"and you'll probably find a lot to choose from.

i got the Ingon 2 wheeled cart, not heavy, works great

@A MyCOPDTeam Member There are carts you can buy, depending on what concentrator you have. Inogen makes one and I know I've seen a few others. That is the kind of thing it might be okay to buy used, or from an online medical supply. I find it heavy too but I am so weak I just have to think it will make my legs stronger if I exercise or go out with it.

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A MyCOPDT...

They are heavy. They make it all look so easy on t.v. it bugs me. They haven't a clue.