LASCO 03-3543 Elbow for Wall Hung Tubular Toilet Tank to Bowl Flush with Nuts and Washers, 2-Inch x 5-Inch x 7-Inch, Chrome Plated Brass Chrome plated Fits low tank toilet with tank mounted on the wall 2" x 5" x 7" May be cut to fit Includes brass friction nuts and washers 22 gauge brass tubing