Vacuum Clean Weekly Maintenace System 45 Tablets/Jar. The second stage in Palmero 2-step system. Restores pressure, keeps vacuum lines clean, extends pump life. Economical-use, only one tablet each week. Self-activating tablet releases powerful cleaning chemicals throughout the week. Neutral ph helps reduce dispersal of amalgam into sewer systems. Allows consistent vacuum suction and asepsis. 45 tablets of cleaner