Product review (5 stars): Waste King Adapter - Works as advertised
Replaced an old Badger 1 with Waste King L2600, we have a white sink and wanted to keep our existing white disposal collar.

Adapter was quick and easy to use, mated up easily with the exiting Badger sink collar mount. This did lower the disposal outlet by about a 1/2 inch.  I needed to replace my existing 1-1/2" dia. sink tail with a longer one.  The rest of the sink plumbing had enough slack so simple loosen and adjustment was needed. Suggest you plan for the adapter to lower you existing drain outlet by 1/2" to 1", so pick up spare plumbing drain line parts in advance of starting the job just in case you installation dose not have enough slack to make up the difference.

Works well, no issues after 1 month.