Includes riser pipes ready to install. Fits 8″ x 44″ tank. Install in your water softener for a more complete regeneration of the resin. During a backwash, with a Turbulator, resin granules are propelled from the bottom of the resin tank to the top. This allows a complete turn over of the resin bed and complete contact with the brine solution. Small particles of dirt and iron are freed from the bed and flow to the drain.