Filters for the FlexiFit 405 CPAP Mask

Diffuser Filter for the FlexiFit 405 Mask

This is a replacement Diffuser Filter for the FlexiFit HC405 Nasal CPAP Mask by Fisher & Paykel. This filter fits into the exhalation vent located on the elbow of the HC405 mask to reduce noise. This part #900HC439 does not include the cap to hold the filter in place. Purchase of this product contains the diffuser filters only and comes in a pack of 10.

Included With This Purchase

• (1) Pack of 10 Diffuser Filters for the FlexiFit 405 CPAP Mask

Recommended Replacement Schedule

• Cushion: Every 1-3 Months (or as needed)
• Headgear: Every 3-6 Months (or as needed)
• Complete Mask: Every 9-12 Months (or as needed)
• Tubing Hose: Every 1-3 Months (or as needed)