GoodKnight 420G Travel CPAP Machine. (Discontinued)
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The 420G is the size of two VHS video cassettes stacked on top of each other. It is the lightest CPAP on the market. Best of all, it is built to last and backed by a two year manufacturer warranty which means that although it is a travel CPAP, you can plan on this little guy lasting as long as any other CPAP on the market. It is a great machine.
Manufactured by Puritan Bennett.