#10 Swivel Direct Flow™Insert Kit #10 Swivel Direct Flow™Insert Kit IMINSRT10 Get protection for your insert and peace of mind that your insert will function optimally each and every time with the new Hu-Friedy Ultrasonic Kit featuring a Swivel Direct Flow™Insert. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.