Invicta Cartridge FilterVessel options are simple with Invictaâ„¢. You can choose to quickly and easily retrofit your existing vessels to make them compatible with the new filters, or you can choose to replace the vessels with new equipment designed by FTC to accommodate Invictaâ„¢ cartridges. #Invicta #Innovation #NewShape #Solution http://bit.ly/InvictaFTC