For Weber models with knobs on the side and battery spark generators 

Dimensions : 17 7/8" x 13" 

Dimensions : Bottom to top approx. 3"

Model Years : 2009-2012

Fits Weber : 4420301, 4421001, 4421301, 4421411, 4430201, 4430301, 4430411,

4431001, 4431301, 4521001, 4521301, 4530401, 4531001, 4531301