No, but they are pretty good in a smallish vehicle when the dew point is below 30 degrees or so. 

Karl Wolz
Sent from my electronic umbilicus

On Jun 13, 2013, at 5:00 PM, Jim Ogul <jimogul70@GMAIL.COM> wrote:

> Has anyone on the list used this in their Westy?  Good results?
> 
> Jim
> 85 Westy