Description. [Compatible with the following Dyson hoover models]: Dyson DC19, DC19T2, DC20, DC21, DC29. [High quality replacement for the motor mounted on the front of the Dyson]: 917819-01, 911904-01, 914025-02 [High quality] : It consists of: High efficiency HEPA filter paper which filters 99% of the fine particles in the air, thus removing the air purified by the hoover and thus reducing secondary pollution. [Perfect for pet owners] : Eco-friendly, anti-filtration function - anti-allergy and powerful to keep your home clear Package includes. 2 x Dyson Vacuum Cleaner Accessory Kit (Notes: Accessories other than the product are not included) Caution. 1. The monitor used is different, the computer is different, the angle of the photo is different, there may be angle colour problems. 2. Pure manual measurement, there may be 0-1cm error.