To demonstrate the safety and effectiveness of Sonu for the treatment of pediatric patients with moderate to severe nasal congestion.

Inclusion Criteria:

• Pediatric subjects between the ages of 12 to 21 years
• Present with symptoms of nasal congestion for 1 month or more prior to treatment
• Have a 24 hour reflective nasal congestion subscore of the TNSS of 2 or more on a 0 to 3 scale at the time of screening

Exclusion Criteria:

• Head, nasal or sinus surgery within 3 months
• Sinus infection diagnosed within the last month, or rhinitis medicamentosa
• Documented history of nasal polyposis or mass
• Pregnancy