Here is a link and can someone confirm this p/n on the bag, this looks very similiar to whats on my N/A engine witht he hole. Im guessing these will fit all multifuels that have the flame heater.
http://cgi.ebay.com/ebaymotors/Multifuel-flame-heater-fuel-filter-M35_W0QQitemZ7973938593QQcategoryZ33660QQssPageNameZWD1VQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/Multifuel-flame-heater-fuel-filter-M35_W0QQitemZ7973938593QQcategoryZ33660QQssPageNameZWD1VQQrdZ1QQcmdZViewItem