Inner diameter is a standard 1.25"(32mm) size for most vacuum brands,please check the right size (Inner Diameter)
It is a high quality brush with Anti-static cloth,PP hair and two pedals.
2 New Functions choose: The brush head is dual purpose brush with two models for floor or carpet.
The brush will take good care of house floor and furniture without tired.
This is a really good deal on a decent floor tool. Works well on carpet, or hard floors.