This Midea Split Unit AC 18000BTU-r410 -MSMA-18CRN1 is a split unit air conditioner and it comes with built-in AVS protection. With the new and highly improved edge cutting technology, the air flow can be easily adjusted not to blow directly to the human body, which in turn provides healthier airflow and uniform cooling for your space. It also comes with a removable air filter which can be maintained by washing it periodically.