REFILL PACK - LARGE: (1) Large PerformAIR

OPEN NASAL AIRWAYS UP TO 45% OR MORE HOW IT WORKS: PerformAIR utilizes an adjustable comfortable pad in each nostril to gently apply a spring-like outward pressure from inside your nose to push open your nasal airways and improve breathing performance. BREATHE BETTER: Improves oxygen airflow, opens nasal airways, and relieves congestion, allergy, cold and flu symptoms. SLEEP BETTER: Improves deep, restful sleep and reduces or eliminates snoring, tension, and anxiety with better breathing. PERFORM BETTER: Improves mental clarity and athletic performance with better oxygen flow to the brain and muscles. DOCTOR (ENT), SURGEON & SLEEP CENTER RECOMMENDED: PerformAIR Nasal Dilators are doctor (ENT), surgeon (pre-op and post-op) and sleep center recommended. REUSABLE: Each PerformAIR is reusable for up to 21-days and each order comes with a storage / travel case. ADJUSTABLE FOR CUSTOM FIT: PerformAIR Refill Pack - Large:  can be custom fit for optimized comfort, fit, retention and breathi