The Hoover 440004215 is a round premotor dirt cup filter designed for the Hoover UH72450 Air Pro bagless upright vacuum. Positioned between the dirt cup and the motor, it captures escaped debris before it reaches motor components, helping to maintain consistent suction output.

Replace when the filter shows visible soiling or suction begins to drop. Fits the Hoover UH72450 Air Pro bagless. OEM Hoover part number 440004215.