The Fisher & Paykel Nova Nasal CPAP Mask Diffuser is the key component behind the Nova Nasal's whisper-quiet performance. Engineered with a unique diffuser system, it redirects and softens exhaled air to reduce noise and eliminate uncomfortable drafts — so both you and your sleep partner can rest undisturbed through the night. Noise Reduction — Diffuses exhaled air to significantly minimize sound during CPAP therapy; in an internal Fisher & Paykel validation trial, all 43 participants rated the Nova Nasal as "quiet" or "very quiet" while sleeping Draft Minimization — Redirects airflow away from you and your sleep partner for a more comfortable sleep environment Optional Use — The mask can be used with or without the diffuser, as it does not significantly affect overall airflow levels Conveniently Washable — Designed to be cleaned regularly with mild soap and lukewarm water, then air dried; clean weekly for best performance Easy to Attach & Remove — Simple to disassemble for cleaning or replacement with no tools required Nova Nasal Exclusive — Compatible exclusively with the Fisher & Paykel Nova Nasal CPAP Mask (Model #400NVN151) Replace Every 3 Months — Should be replaced every 3 months, or sooner if discoloration, damage, or reduced performance is noticed FSA/HSA Eligible — Qualifies for purchase using Flexible Spending Account or Health Savings Account funds Vendor Part Number: 400NVN151
