_x000D_ Features: _x000D_ _x000D_ OOTDTY _x000D_ new and high quality _x000D_ The inline filter is suitable for CPAP machines. It is used in combination with the machine's built-in inlet filter to provide very clean air. _x000D_ The outer diameter of the male connector end: 25mm. The inner diameter of the female connector end: 22 mm. Suitable for 22 mm pipe making machine. _x000D_ Installation and replacement are quick and easy. The filter is between the air or outlet of the machine and the CPAP hose. _x000D_ Best results: Keep the air inhaled by the CPAP device clean to get the best therapeutic effect. _x000D_ A set of 6 filters. Does not contain latex. Each filter is individually sterilized and sealed. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: ABS _x000D_ Weight: 30g _x000D_ Size: As picture shows _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 6x Inline CPAP Filters _x000D_ _x000D_ _x000D_ Note: _x000D_ 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. _x000D_ 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_