Nasal Cushion & Silicone Seal for FlexiFit 407 CPAP/BiPAP Masks 1146413 confident that their seal is

confident that their seal is safe

Constructed entirely of soft cloth the SleepWeaver Advance is Latex & Silicone Free so it's ideal for allergy sufferers

DreamWear adapts easily to a wide variety of sleeping positions and always provides a wide open field of view

sturdy design meets all FAA requirements for carry-on luggage

They help to filter any dust and debris in the air around you from getting into your concentrator

Nasal Cushion & Silicone Seal for FlexiFit 407 CPAP/BiPAP Masks 1146413 confident that their seal isThis FlexiFoam Cushion & Silicone Seal Pack is designed for use with all FlexiFit 407 (HC407) Nasal CPAP and BiPAP Masks. This updated design features a more contoured shape to better fit a wider range of users.