Feature: _x005F_x005F_x005F_x000D_ 1. Super Clean Air: These filters actively clean the air when leaving the CPAP or BiPAP machine and work with the _x005F_x005F_x005F_x000D_ Built-in filter machine to provide exceptionally clean air throughout the night and help prevent viruses and bacteria. _x005F_x005F_x005F_x000D_ 2. Disposable Filters: Our Mars Wellness filters take an average of 4-6 weeks to be replaced, but depending on the _x005F_x005F_x005F_x000D_ Environmental conditions, your filters may last longer or shorter. Whenever the white filter material begins to get _x005F_x005F_x005F_x000D_ Dirty, it should be replaced. _x005F_x005F_x005F_x000D_ 3. Effective for Allergy Sufferers: Our Cpap / Bipap filters are an excellent choice for sleep therapy users who are _x005F_x005F_x005F_x000D_ Prone to illness or allergies. _x005F_x005F_x005F_x000D_ 4. Maintaining Strong Airflow: Low airflow resistance means that users can maintain the powerful airflow generated _x005F_x005F_x005F_x000D_ By the CPAP / BIPAP machine. _x005F_x005F_x005F_x000D_ 5. Simple Installation: Bacterial filters for CPAP / BIPAP are easy to install and replace, and easy to replace. Simply _x005F_x005F_x005F_x000D_ Connect the filter between the air outlet on the machine and the standard CPAP pipe. _x005F_x005F_x005F_x000D_ _x005F_x005F_x005F_x000D_ Specification: _x005F_x005F_x005F_x000D_ Name: Bacterial Filter _x005F_x005F_x005F_x000D_ Color: White _x005F_x005F_x005F_x000D_ Material: environmentally friendly material _x005F_x005F_x005F_x000D_ Uses: bacterial virus filtration _x005F_x005F_x005F_x000D_ Simple Installation: Bacterial filters for CPAP / BIPAP are easy to install and replace, and easy to replace. Simply _x005F_x005F_x005F_x000D_ Connect the filter between the air outlet on the machine and the standard CPAP pipe. _x005F_x005F_x005F_x000D_ _x005F_x005F_x005F_x000D_ Packing List: _x005F_x005F_x005F_x000D_ 1pc Bacterial Filter _x005F_x005F_x005F_x000D_ _x005F_x005F_x005F_x000D_ Note: _x005F_x005F_x005F_x000D_ Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. _x005F_x005F_x005F_x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you