Very gently used EL30B. Works 100%. Has no dirt. It does have a few scrapes but that may have been from storage, not from use. 
 
The Electrolux EL30B Powerhead has four different height adjustment settings, a check brush roll light, a handle release button and Brush Roll Clean Technology.
Will fit the following models:
Electrolux
EL4040
EL4042
EL4300
EL4335
EL6988D
EL7001
EL7020
EL7024
EL7025
EL7055
EL7060
EL7063