New PC Software (3.22) and Firmware (3.29r1) Support Management Updated August 18, 2015 13:40 Follow PC Software 3.22 and Firmware 3.29 released! Fixes cases, in which DIT has been performed every (2) days only. Related articles New SW 3.19r1 and FW 3.25r3 released Does the filter flush of a UrSpring Home flush automatically? How much is a replacement cartridge for a UrSpring Home? Comments 0 comments Please sign in to leave a comment.