The Bunn BU28122-0000 Air Filter Ultra-2 helps maintain clean airflow and supports the proper operation of compatible Ultra-2 frozen beverage machines. This replacement air filter works by capturing dust and airborne particles before they accumulate within the equipment’s ventilation system. By limiting debris buildup, it helps support adequate airflow and reduces the risk of dust aff... https://partsfe.ca/bu28122-0000-bunn-filter-air-ultra-2