Here is a touchscreen oxygen generator with a continuous flow of 1-6L per minute. The AUPORO MAFO1-5AW Oxygen Machine weighs only 5.2kg, so you can easily take it around. It has a noise rating of 48dB. It has a large touch buttons that let you change time, negative ion, and other settings.
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This oxygen machine measures 11.88 x 12.79 x 6.61″. It is 115W rated. You can find out more about it here.
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