The focused spray design of these inserts directs water down into the pocket in which you are working to help flush away debris.
Dentsply looked at their two best-selling Cavitron Inserts and spoke with clinicians to find out exactly why they bought these particular tips. From research, the FSI SLI Straight's thin tip and the FSI-1000's triple bend were combined to produce the new Focused Spray slimLINE 1000:
Cavitron Ultrasonic Inserts are warranted for 90 days from the date of purchase but a useful life of approximately 800 re-processing cycles.