| -Purification methods : pre-filter, Nano-silver filter , HEPA(high efficiency particulate arrestor)filter, ultraviolet ray. -Fan speed: Automatic/Manual,speeds 1through4,sleep mode, turbo function, -Human sensor ,Fuzzy sensor function. -Mambrane system -Oxygen purity : 30% -Oxygen flow rate :2LPM -Oxygen dispenser installed -VFD LCD -remote control:Multi-Function remote control. -Weight:17Kg | 
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