Add a high capacity mid mount vented shelf to almost any standard 2 post server rack the cabshf2postv 2u heavy duty mid mount vented rack mount shelf for 2 post racks allows you to add a high capacity mid mount fixed shelf to almost any standard 2 post server rack this taa compliant product adheres to the requirements of the us federal trade agreements act taa allowing government gsa schedule purchases the included mounting brackets can be adjusted to accommodate different post depths