6 cartridges per case Specially designed flowable fill product that can be used to fill in the bottom of fully deteriorated piping or areas where holes and voids exist. Remove excess foam in pipe with the Picote Premium Cyclone Chain (3” or bigger pipe) or Picote Smart Cutter™ (2” or smaller pipe). Then you are ready to line or coat the pipe. Use with the Smart Mixer 2.0, cartridge tip, and resin supply hose to apply directly to the pipe.