The Universal Inline Bacterial Viral Filter is easy to install. Simply attach it to your CPAP machine between the air outlet and your standard CPAP tubing. Bacterial Viral filters last on average 4-6 weeks. However your filters may last longer or shorter depending on use. In general these filters should be changed whenever the filter material looks dirty.
Features
Viral & Bacterial filtration efficiencies of over 99.99+%
Great option for those with allergies
Quick & Simple to install and replace - typically no need for re-calibration
Allow for bi-directional airflow
Low resistance to gas flow means that you keep the strong airflow you've come to expect from your CPAP/BiPAP machine