Cr, P5w 5l adjustable oxygen concentrator generator machine with continuous single oxygen flow. Italian hepa filter, Filter 99. 99% of particles above 0. 3 microns, Which is far better than common international standards pm2. 5 that is 2. 5 microns . Helpful to avoid bacterial infections molecular sieve imported from usa, World, Class sieve helps using air as raw material to separate oxygen and nitrogen by psa wireless remote control, Control the concentrator with ease using the included remote control fault detection function, If machine encounters it is, An error equipped to automatically detect it and sound an alarm so that safety is never compromised efficient oil, Free compressor, Oil, Free compressor adopts pure copper which is, Core compressor stable and reliable. Provides surging power for continuous application of the machine and enhances service life