FARR Aero Pleated Air Filter, 27.5" x 20" x 1" in size, uses pleated filtration media to capture dust and particulates while preserving airflow. This exact 27.5" x 20" x 1" configuration is designed for filter slots that require that size. It is suitable for use in HVAC systems or other air-handling equipment that specify a 27.5" by 20" by 1" replacement filter.
