Fits most mini split or heat pump systems from 12000 to 24000 BTU -Made of zinc-coated steel for strong suppport and long lasting durability -Anti-vibration dampers dampers to reduce noise and prevent movement -Magnetic levels ensure precise alignment and simplify the installation -Adjustable rubber pads ensure a secure and level setup -The adjustable crossbar allows for easy customization to fit different unit sizes -Off-ground design for optimal airflow and reduced debris buildup underneath -U