Berman Oral Airway is single use, color coded, and is available in a variety of sizes from infant to adult. Berman oropharyngeal airway is commonly used to maintain or open a patient's airway in pre-hospital emergency care and for short term airway management. ME6504.PK - ME6511.ON Berman OPA Airway features a smooth finish and is biocompatible, latex free, and RoHS compliant. Sizes include 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm and 110mm.