General description The 24 Pack Hypoallergenic CPAP Filters are designed for use with CPAP machines, ensuring clean air for optimal therapeutic effects. Each filter is individually sterilized and sealed, providing a hygienic solution for users. These filters do not contain latex, making them suitable for sensitive individuals. Technical specifications Outer diameter of the connector end: 25 mm Inner diameter of the connector end: 22 mm Material: ABS Package Contents: 24 x Filters Measurement allowed error: +/- 1-3 cm Installation Installation and replacement are quick and easy. The filter connects between the air or machine outlet and the CPAP hose. Usage Used in combination with the machine's built-in inlet filter to provide very clean air. Best results are achieved by keeping the air inhaled by the CPAP machine clean.