Is your Hoover commercial vacuum (models CH54113, CH54115, CH95413, or CH54013) not picking up like it used to, or maybe blowing dust back out? It's probably time for a new HEPA filter. This is a direct replacement filter that matches the original part #440007773. It's made from quality materials to trap fine dust and allergens, keeping your vacuum running efficiently and the exhaust air clean. Replacing the filter regularly is key for maintaining suction power and motor life. Please check your vacuum's model number on its label before ordering – don't just guess by looks! We stand by the product with a 30-day satisfaction guarantee. An essential maintenance part for keeping your commercial Hoover in top shape.