Dyson Groom This is an O.E.M. authorized part Fits various Dyson models. No buttons or dials- adjust bristle length and switch between groom, self-clean and self-store modes, with a single thumb control OEM Part Number 921000-02 Part Number 921000-02 This is an O.E.M. part Suitable for medium or long haired dogs Slicker bristles positioned at 35 Remove loose dog hair from the coat before its shed around the home Captures allergens during grooming Removes dead skin cells improving coat condition