Left to right:
- 1. Sink sleeve. Decorative part viewable from above the sink.
- 2. Stopper sleeve. Slitted black rubber piece that prevents items from falling into the disposal.
- 3. Rubber gasket. Flat, round, and made of rubber (or sometimes fiber board).
- 4. Upper mounting ring. Triangular, one side lipped.
- 5. Backup ring. Ring with three bolts.
- 6. Snap ring. Wire ring, one end open to facilitate mounting.
- 7. Lower mounting ring. Metal ring with three ears curled upward.
