This water line is NSF 58 approved!  You can use this to hook up our Filter Kits to the Keurig or Flavia Commercial Brewer.You may need to order our 3/4" to 1/4" adapter.  LLDPE Polyethylene Tubing 1/4"OD, 0.170" IDWorks with the B150 Keurig plumb kit and may work with others.