FARMACARB Bag Bicarbonate are manufactured to be used with Fresenius machines. FARMACARB Cartridges are uniquely designed and manufactured to deliver quality, functionality and reliability within fully automatic production lines at Farmacarb production site. All production is !00% tested piece by piece and provide extra protection with external caps for the best hygienic post-treatment disposal. There are various sizes of bicarbonate and bag cartridges. Bicarbonate powder is supplied from Solvay.