General description This high-quality pre-motor filter from vhbw is designed to protect your Dyson Big Ball 1, Allergy, 2, and Allergy 2 vacuum cleaner motor from dirt particles. This protection helps to extend the service life of the vacuum cleaner while maintaining its suction power. The filter features a precise design for quick and easy exchange and is washable for long-lasting use. Technical specifications Diameter on top: 52 mm Diameter on bottom: 104.5 mm Diameter of opening: 85 mm Material: foam / plastic / polyester fleece Weight: 40 g Height: 12 cm Colour: white / purple Washable Compatibility and accessories Compatible with Dyson Big Ball 1, Allergy, 2, Allergy 2 Replacement for part number: 967371-01 Usage Only change the filter when your vacuum cleaner is no longer functioning properly. Other information Content of delivery: 5x pre-motor filter