midmark ritter m11 autoclave/sterilizer tray – small 050-4260-00 midmark m11 small tray midmark ritter m11 replacement trays come new. never used. this is only a tray, and not the round metal rack structure that supports the tray lip inside the chamber of the machine. the price listed represents one tray – either small or large. small trays: outside dimensions including lip: 16.125” x 7.75” x 1” inside dimensions (area for instruments): 14.75” x 6.5”x 1” large trays: outside dimensions including lip: 16.25” x 10.25” x 1.125” inside dimensions (are for instruments): 14.75” x 9” x 1.125”