I’m a bit puzzled. We get our supplies from a local company. We went to the store front in person to get our machines. They fit us for masks, and set up the machine. We get hoses, masks, etc. through the mail when we order. We both had to more or less rent to own the machines through insurence. When hubster’s 4th. Machine started to malfunction, the DME company provided a loaner until the found his old one was just old and needed replacement.