Definition of Commercial Grades
Posted by Mike Grossman on February 27, 19101 at 11:19:25:
In your "Report on Low-Flow Toilets", you use the terms "Commercial Grade Class 4", "Commercial
Grade Class 3" and "Commercial Grade flush" in your notes on various toilets. For those
of us who are not familiar with these terms, could you please explain them?

Your readers would probably appreciate it if you added these definitions to your "Report on Low-Flow

Thank you.

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