Inogen Rove 4 Ultra Lightweight Backpack - Purple (o2totes)

Great

It works great. I use it for riding my horse, had to put some foam in back to limit the bouncing and snug it up tight. Wish it came in other colors than purple.

Too small for Rove4 concentrator

I found it difficult to get my Rove 4 portable concentrator into the back pack. It appeared the concentrator got warm too quickly. Nice looking back pack but should be a bit larger