Designed for ENT (Otolaryngology) and FESS (Functional Endoscopic Sinus Surgery) procedures. Model / Part # 456521. Series SilCut. Application Nasal Endoscopy / ENT / FESS. FDA Regulation:THE SALE OF THIS ITEM MAY BE SUBJECT TO REGULATION BY THE U.S. FOOD AND DRUG ADMINISTRATION AND STATE AND LOCAL REGULATORY AGENCIES.