No, it is as simple as that!
InSinkErator food waste disposers are perfectly safe and don't have blades or knives. Instead lugs are used to throw food waste against a stationary grind ring. The grind ring breaks food waste down into very fine particles, almost liquefying them, so they can flush down your plumbing.
If you don't believe us watch the video below that demonstrates the how the lugs and grind ring work together inside our food waste disposers to grind up food waste into tiny particles.
