20mm width. Compatible with models that start with WAF111x, WAF112x, WAB111X, WAB112x,

 WAB201x, CAF111x, CAF211, CAF711x, WAF101x, WAF201x, WAK211x, WAN211x,WAP111x. 

WAF1110, WAF1111, WAF111Z, WAF111C, WAF11, CAF1111, CAF7110, WAN2110, WAK2111, WAK2110.

Feel free to ask if it is compatible with your model