Feature 1Remove Impurity: Oxygen concentrator filter can remove impurities from oxygen to ensure oxygen quality, which can keep your healthy. 2Prolong Service Life: Regularly replace oxygen concentrator filter can effectively prolong the service life of oxygen concentrator. 3Easy Installation: Replacement filter cartridge is a part of oxygen generator machine, easy to install, suitable for Haier and for Sunwik. 4Portable Size: Oxygen concentrator filter is small in size and light in weight, which is easy to carry in your bag for convenient use. 5Excellent ABS: Oxygen concentrator filter box made of ABS material, firm and sturdy, which are not easy to be damaged.SpecificationItem Type: Oxygen Concentrator FilterMaterial: ABSFitment:Replacement for Haier Replacement for Sunwik .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Oxygen Concentrator Filter