ALL TOP BRANDS NOW IN STOCK! SAVE BIG and enjoy ALL the same accessories that are included in our brand new packages! We have machines you can wear with up to 3 settings and machines you can shoulder-carry with up to 6 settings! It has never been easier to own the very best in portable oxygen! Add LIFETIME Service and Maintenance with Drop Coverage at a very low price for affordable, "worry-free" protection! ORDER ONLINE OR CALL US AT 1-800-775-0942  You may fax your prescription for oxygen to us at 1-800-819-7179 or email rx@mainclinicsupply.com. We are also happy to the obtain the prescription for you after you place your order here online. Sale Package Includes: Certified Portable Oxygen Concentrator Carrying Bag with Shoulder Strap Long Life Lithium Ion Battery A/C Wall Power Supply - charges battery while you use your machine USA and Overseas Power - converts to proper voltage automatically D/C Car Power Supply - charges battery while you use your machine Easy-to-Read Lighted LCD Display - Constant Oxygen Purity Monitoring 4 Nasal Cannulas (NEW Ultra-Soft) 2 Year Warranty - Ask us about our affordable LIFETIME warranty options! FREE FedEx Delivery Consider adding our popular Lifetime Warranty, Service, and Maintenance Plan with Drop Coverage at a very low price for affordable, "worry-free" protection! Note: the factory warranty and all other warranties do not cover damage from dropping your machine.  ORDER ONLINE OR CALL US AT 1-800-775-0942  Recent Verified Reviews and Ratings from our Customers, Coast to Coast.