with for machines: These fitted filters are with for machines, as as machines equipped with 22 mm tubes. It gives you more peace of mind while waiting for the recall process. breathing health and safe : effectively capture the decomposed PE-PUR sound to eliminate black debris and particles in the foam. Effectively prevent potential inhalation risks and the safety of care equipment.Efficiently filter and enjoy clean : Each filter is precisely made to clean the dirty particles or black dust insects in the , because it will leave the care machine. Keep the care equipment clean and enjoy the and clean .Economical replacement, easy to : It is recommended to replace it 4-6 weeks, a set can meet your long-term needs Connecting this filter between the machine and the pipe is quick and easy.Maintain strong : If you find the resistance of the care device is poor, please increase the airflow setting of the care device.colour: transparentMaterial: plasticPackage Contents:10 x CPAP FilterOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.