WhisperSafe HVE tips evacuate virtually silently, block inadvertent aspiration of objects and tissue. Engineering meets evacuation in amazing WhisperSafe HVE Tips. Using simple principles of fluid mechanics, multi-walled WhisperSafe tips reduce air turbulence—and the resulting noise. They are so quiet, you will wonder if your suction is working! Their honeycomb cross-sectional design also creates superior stiffness for the ultimate in retraction, and doubles as a screen to eliminate aspiration of soft tissue and foreign objects. Fit all standard HVE valves. 6" long. Non-vented. Made in USA.