This motor cooling filter is designed for use with select Nilfisk Attix and VHS vacuum cleaner models, helping to maintain optimal motor performance. It provides essential filtration for motor cooling systems in these vacuum cleaners. Highlights - Specifically designed for motor cooling applications - Compatible with multiple Attix and VHS vacuum models Key Specs - Dimensions: 4.9" D x 6.5" D x 1.57" H - Compatible models: ATTIX 33, ATTIX 33 M-H, ATTIX 44, ATTIX 44 M-H, VHS 40, VHS 42 M-H