These ultra-fine disposable CPAP filters are essential for your device, as they filter the CPAP airflow of airborne particles and pollen. They are designed for use with the DeVilbiss IntelliPAP CPAP units. Effectively filter airborne particles, dirt, and pollen from your CPAP airflow to ensure clean air Ultra-fine design fits easily in device Disposable; should be replaced every 2-4 weeks for best device performance Dimensions: 1-5/8" x 1-3/16" Fit DeVilbiss IntelliPAP units Quantity: 2 filters per pack
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