This combo pack will be enough to last the whole year so you will not have to worry about running out of filters for your Airsense Machine<br> <br> COMPATIBLE WITH: This CPAP Filters are compatible with Resmed Airsense 10, Aircurve 10, Airstart and Resmed S9 Serie<br> <br> CPAP Filter Kit is disposable filter kit fitting CPAP Machines,Fit with Various Resmed Machines<br> <br> Each filter measures 2 3/32inch x 1 3/8inch (53mmx 35mm)to fit your machine precisely.<br> <br> Suggest replace your filter every two weeks. The consistent change of the air filter can prolongs the quality of your machine.<br> <br> Colour: white<br> <br> Material: cotton<br> <br> Package Contents:<br> <br> 80 x CPAP Filters<br> <br> Only the above package content, other products are not included.<br> <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.