When choosing a floor drain brush handle that is rugged and helps prevent use that it is not intended for, the Carlisle - 4023600 - 36 inch Sparta® Floor Drain Brush Handle is the one to choose. The 4023600 works to prevent cross contamination in a variety of ways—it has "Use for floor drain only" imprinted in both English and Spanish and will not accept any other brush but a floor drain brush due to the special female threaded handle. The Carlisle 36 inch Sparta® Floor Drain Brush Handle (40236...