These are the Ultra Pollen Disposable Filters that work in conjunction with the Reusable Black Foam Filters that comes with every machine.
Puresom
Zzz-PAP
ComfortPAP
This filter should be placed into the filter well of the machine, first, then the black reusable filter should be placed over it. When changing out your filters, the reusable filter can be cleaned and washed in mild detergent, then left to dry. Replace the disposable about once a month or as needed. Return On Warranty Issues Only
Specifications
CPAP.com always offers these services:
8 am to 10 pm CST Toll Free Phone and Email Support
24 hour access to our CPAPtalk.com Support Forum
Learning Center for information on sleep apnea and cpap equipment
Consumer Purchasing Trends Reports
Product Evaluation Results from our Product Challenges
Warranty Services for all items purchased through CPAP.com
Insurance Compliant Invoices
Free Prescription Request System
Important Tips
Filters may come in an alternative color, which has no affect on performance.