Check the listing for details. Nozovent Anti-Snoring Device 2 ct *****VALUE 4 PACK********. Condition: New. Listed at 49.99 USD. Nozovent is a device to help eliminate snoring by dilating the nasal airways, increasing airflow and enhancing breathing. Developed by a leading Swedish ENT (ear, nose and throat) doctor. Nozovent has been extensively clinically studied and documented to open nasal passages to allow for a major increase in air flow, greatly reduce the severity and frequency or totally eliminate snoring, eliminate the feeling of stuffy nose from colds and allergies, and greatly reduce or eliminate unhealthy mouth breathing. Directions: Simple to use; insert the device so that the longer portions of the end pieces are facing upward and the circular cups are toward the tissue on the inside of the nostril and so that the round balls are to the lower part of the nostril.