Home oxygen concentrators is only for use within the home and can not be completely moved. Home oxygen concentrators provide patients with oxygen therapy with a quiet, lasting and reliable source of medical-grade oxygen to make them comfortable at home. The fixed home oxygen concentrators is fully powered by a wall-mounted power outlet, so there is no need to charge or replace the battery. Home concentrators are very solid, have conventional maintenance functions, and can usually run effectively for a long time. Daily maintenance includes keeping the intake clean, cleaning and / or replacing filters on a regular basis. The home oxygen concentrators' oxygen production capacity of the household concentrator (oxygen flow rate per minute) is also very good. If you want to know more , Please click here to contact us.