Porter Silhouette Nitrous Oxide/Oxygen Nasal Mask, Large, 12/Pk

The Porter Silhouette Large Nasal Mask is a nitrous oxide/oxygen patient interface designed for comfortable, reliable sedation delivery in dental and medical practices. Its soft, flexible construction conforms to adult facial contours for a stable seal with minimal leakage, while medical-grade materials resist kinking and airflow disruption. Supplied in a 12-pack of large masks, it supports efficient turnover between appointments and consistent sedation across multiple operatories.