General description The Viral In-Line Outlet Filter is designed to clean the air leaving a CPAP or BiPAP machine, enhancing the overall air quality. It works in conjunction with the machine's built-in inlet filters to provide superior filtration. Technical specifications Male Connector End Outer Diameter: 15mm Female Connector End Interior Diameter: 22mm Fits 22mm tubing machines Efficiency: 99.99+% Material: Plastic Colour: Transparent Each filter is individually packaged and sealed Installation Quick and simple to install and replace. The filter attaches between the machine's air outlet and the CPAP hose. Usage Each package contains 12 filters. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm. Other information