#135014 -This listing is for one Brand new and In-stock Sonac 220 Enclosure and card Assembly. Replaces the old style obsolete 43554 Card. This is the newest  model 220 from Delavan, which is a low profile model.  You can use the old existing sensors on your machine with this new and updated unit. We sell all of the components in the Sonac 220 Line on this site, in stock and ready to ship same day.