If you suffer from a serious illness, moving around and going out becomes tough and stressful. Plus, for people who need a constant supply of oxygen, going out of the house becomes an even greater challenge. However, 1st Class Med is changing that for people. They provide portable oxygen concentrators, stationary oxygen concentrators, used oxygen concentrators and oxygen accessories to patients. Moreover, they have an excellent customer service plus a full repair facility with certified technicians who can quickly repair your oxygen concentrators. You can buy the oxygen concentrators at reduced prices through the 1st class Medical Coupon & Promo Code.