A mount for an electric motor, the mount including a sleeve for receiving the motor, the sleeve including an annular seal extending around the sleeve and a recess extending around the circumference of the sleeve. The sleeve has a first end and a second end. The recess may be disposed adjacent the first end of the sleeve. The annular seal may be disposed at the first end and the recess next to the annular seal. The first end may be a downstream end of the mount. The recess may be an indentation extending circumferentially around sleeve. The recess may be provided on a radially outer surface of the sleeve. The recess may comprise first and second radial surfaces which are spaced apart when in an uncompressed state. The first and second surfaces are pressed together when in a compressed state.