This adjustable Dog Crate Cage divider panel designed to fit Midwest Homes For Pets 54 inch models 99 , 99N , 1154 , 1154N , SL54DD , dog crates. Model Number 1154DPN divider panel is made with heavy gauge steel wire for durability. All Midwest dog crate cage dividers are built for quality, and are covered by Midwest's Manufacturer's Warranty.