Someone was looking for one of these a little while back. Anyway, there's one on ebay:
http://cgi.ebay.com/ebaymotors/Detomaso-Pantera-USED-Dual-Air-Cleaner_W0QQitemZ260243396153QQihZ016QQcategoryZ10076QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
I don't know anything about it, I'm just the messenger.
Garth