For people with breathing problems resulting from chronic lung or heart desease, this is a life saver..If you need help with purchasing oxygen machines or have any oxygen needs related questions please call. We provide new and used oxygen concentrators for sale. Yes we are in Pakistan. If you have breathing problems, heart desease you don't have to take expensive medicines and be confined to a bed, chair or a room all the time. We provide the most economical and inexpensive portable and home oxygen concentrators, CPAP, BIPAP, MULTIPAP machines available anywhere, which make upto 95% oxygen from the air and help patients with all oxygen breathing abd heart related problems. Combining the technologies of both an oxygen concentrator and an oxygen conserver in one unit, the portable oxygen concentrators give supplemental oxygen users, the ability to maximize their mobility in ways they never thought possible. All our new equipment comes with local parts and after sale warranty. we also provide used and refurbushed authentic and tested machines. Please see a doctor before buying and using any oxygen concentrator or other machines. (This is a public service message).