Replies

To: SkyDancer

Look at the link.

They are called oxygen concentrators and are very common.

106 posted on 07/09/2018 4:14:20 PM PDT by CurlyDave

To: CurlyDave

Tnx!

107 posted on 07/09/2018 4:17:03 PM PDT by SkyDancer ( ~ Just Consider Me A Random Fact Generator ~ Eat Sleep Fly Repeat ~)

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