Carefree 291800 Vacation'r Screen Room for 18' to 19' Awning Fits awning rail to ground measurements of 86 inch to 150 inch This high quality, lightweight room is specifically designed to fit nearly all traditional and 12 volt patio awnings with an 8 Feet extension Made of tough, lightweight material It's easy to carry, store, quick to set up, and comes with a convenient storage bag Fits awning size 18 Feet to 19 feet