Stainless steel contact parts. Size 5b. 59.0" inside diameter top flange; 35.4" inside diameter outlet flange. Overall height of outside cone is 24" tall. Complete with air stroke lifting bladder that elevates an internal 70 degree cone and pneumatic vibrator to vibrate this cone once it is elevated. Lifting and vibrating mechanism tested and worked properly. No controls. S/N b940038.