Oxygen Concentrator Our PSA medical and healthcare oxygen concentrator are popular in the world market.We are the only one in china to adopt molecular sieve protector, which has been patented.We are the only one in china to set four-grade filters in this line, which can assure the oxygen purity is between 93%-97% and remains stable compared with other companies.Each is equipped with a special remote controller for the elder person and the patients.You will only need 1 degree electricity by 3 hours oxygen-inhaling.There are LCD, trouble dispaly, oxygen purity display,nebulizer, remote controller, accumulative time display, time-set dislapy, molecular sieve protector, compressor dospaly and electromagnetic valve display.It is in small size and portable compared with the concentrator of other companies, for your feference.Physical oxygen- making, without any pollution and whithout adding any accessory.The compressor is equipped with thermal protector.Anticipate to establish good business relations with you and look forward to your news and support. thank you.The MOQ is 10 units, you canhave a test of the sample before placingthe purchaseorder!1 unit packed in a carton, which is durable can afford the long distance transpot.