This trap is used for the collection of condensate from refrigeration or air conditioning equipment. The condensate drains, by gravity, through piping to the tapped inlet on the fixture side of the trap. Satin Chrome Plated Cast Bronze P-Trap with Ground Joint Outlet, Threaded Wall Tube, Slip Joint Nuts, Washer, Escutcheon, and 1/2 (13) NPT Condensate Connection.