Oxygen concentrator filter for respironics, oxygen concentrator filter for everflo .Oxygen concentrator hepa filter shell is made of transparent engineering plastic, have the ability of antioxidant and anti-aging, see the effience of filtration conveniently . The filter paper and the shell are made of medcial grade material. Ensure use healthly and safely and ensure no harmful smell under the high working temperature . Please change the filter in time after working 1000-3000 hours. The working period is different according to the different environments.
