The ACCLARENT® SE Inflation Device is an instrument intended to inflate, deflate and monitor pressure in balloon catheters used in sinus procedures. Note: The ACCLARENT® SE Inflation Device should only be used with Acclarent Sinus Balloon Catheters with balloon sizes less than or equal to 7mm x 24mm. Please consult the individual Acclarent Sinus Balloon Catheter carton labels for balloon size information.