Can I buy the just the mount or cartridges separately? December 4, 2017October 19, 2018 by jbmg40 jbmg40 No comments yet 558 System components will shortly be available separately. In the mean time, spare or additional parts for existing customers are available by request. Post navigation How is Revolva packaged?Can I have a custom version with my choice of filters? Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.