When installed the bacterial and viral filter prevents bacteria and some viruses from entering the CPAP tubing, CPAP mask, and the user's airway. All standard CPAP tubing fits onto the filter's outlet port.
This product is a single filter. It can be purchased in a 10-pack for a discounted price.We are told by the manufacturer that this is considered a Class-1 medical device, so no specifications are required by regulatory agencies nor are any specifications available from the manufacturer.
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