The Wertheim Evolution Black Pre-Motor Foam Filter is a premium replacement filter designed to protect the motor of your Wertheim Evolution Stick Vacuum from dust and debris. This foam filter effectively traps particles before they reach the motor, ensuring long-lasting performance and preventing blockages that can reduce suction power. Easy to install and clean, it helps extend the lifespan of your vacuum and maintain its efficiency. Specifically made for the Wertheim Evolution Stick Vacuum, this pre-motor foam filter is an essential component for optimal vacuum maintenance and reliable operation.